ログをかくにんしたところ、odm_get_tracking_table関数内でプログラムカウンタが無効値(NULL)を参照しているため、問題が発生しているようです。
尚、本件は　https://github.com/aircrack-ng/rtl8812au/issues/1159　でも類似事象が報告されています。
上記サイト記載の通り(But if I reset code to commit 63cf0b4. Wifi works fine. )、コミット63cf0b4にソースを変更するとすると、リセットが発生しなくなりました。
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	<リセット発生時ログ>
	[  201.803957] Unable to handle kernel NULL pointer dereference at virtual address 00000000
	[  201.812152] pgd = b46f271e
	[  201.814869] [00000000] *pgd=00000000
	[  201.818474] Internal error: Oops: 80000005 [#1] ARM
	[  201.823357] Modules linked in: 8021q(E) mrp(E) garp(E) 88XXau(OE) mxsfb_drm(E) drm_kms_helper(E) snd_soc_fsl_asoc_card(E) snd_soc_simple_card_utils(E) 
                   fb(E) snd_soc_imx_audmux(E) cfg80211(E) font(E) fb_sys_fops(E) cfbfillrect(E) syscopyarea(E) cfbimgblt(E) sysfillrect(E) sysimgblt(E) 
                   cfbcopyarea(E) snd_soc_fsl_sai(E) snd_soc_fsl_mqs(E) imx_pcm_dma(E) panel_simple(E) drm(E) drm_panel_orientation_quirks(E)
	[  201.859319] CPU: 0 PID: 2677 Comm: RTW_CMD_THREAD Tainted: G        W  OE     5.10.218-0-at #1-Alpine
	[  201.868544] Hardware name: Freescale i.MX6 Ultralite (Device Tree)
	[  201.874736] PC is at 0x0
	[  201.877838] LR is at odm_get_tracking_table+0x9c/0x2f0 [88XXau]
	[  201.883771] pc : [<00000000>]    lr : [<bf24ce74>]    psr: 80000113
	[  201.890047] sp : c3847e40  ip : c3847e9c  fp : e08f9f50
	[  201.895279] r10: 00000027  r9 : 00000027  r8 : 00000027
	[  201.900513] r7 : 00000000  r6 : 00000000  r5 : 0000001d  r4 : e0952ec8
	[  201.907050] r3 : c3847e54  r2 : c3847e50  r1 : c3847e4c  r0 : e0952ec8
	[  201.913587] Flags: Nzcv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
	[  201.920731] Control: 10c53c7d  Table: 840a4059  DAC: 00000051
	[  201.926490] Process RTW_CMD_THREAD (pid: 2677, stack limit = 0x08ea46c4)
	[  201.933200] Stack: (0xc3847e40 to 0xc3848000)
	[  201.937574] 7e40: c3847e58 e094f000 00000001 00000000 00000000 00000000 00000000 00000000
	[  201.945765] 7e60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
	[  201.953956] 7e80: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 8702df66
	[  201.962149] 7ea0: c3846000 e0953ec8 e0952ec8 00000000 00000000 bf24d604 c3847f14 00000000
	[  201.970340] 7ec0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
	[  201.978532] 7ee0: 00000000 8702df66 e0953ec8 00000000 00000000 c20aa840 ffffd980 e08f9f10
	[  201.986727] 7f00: c3846000 bf24e0a4 c20aa840 ffffd980 e08f9f10 e0952ec8 e08f9000 bf236510
	[  201.994919] 7f20: c20b3a00 bf16850c c20aa4c0 00000000 00000001 8702df66 20000013 c20aa860
	[  202.003113] 7f40: e08f9000 e08f9f28 c20aa840 ffffd980 e08f9f10 bf163ed0 c20b3a00 bf1681dc
	[  202.011305] 7f60: e08f9000 c20da2c0 c20da5c0 00000000 c3846000 bf163bec e08f9000 c35afb40
	[  202.019498] 7f80: c20da2e0 c0135eac 00000000 c20da5c0 c0135d78 00000000 00000000 00000000
	[  202.027689] 7fa0: 00000000 00000000 00000000 c0100148 00000000 00000000 00000000 00000000
	[  202.035880] 7fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
	[  202.044071] 7fe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000
	[  202.052982] [<bf24ce74>] (odm_get_tracking_table [88XXau]) from [<bf24d604>] (odm_txpowertracking_callback_thermal_meter+0x414/0x6		e0 [88XXau])
	[  202.066349] [<bf24d604>] (odm_txpowertracking_callback_thermal_meter [88XXau]) from [<bf24e0a4>] (odm_txpowertracking_check+0x48/0		x98 [88XXau])
	[  202.079752] [<bf24e0a4>] (odm_txpowertracking_check [88XXau]) from [<bf236510>] (phydm_watchdog+0x90/0xdc [88XXau])
	[  202.090721] [<bf236510>] (phydm_watchdog [88XXau]) from [<bf16850c>] (rtw_drvextra_cmd_hdl+0x330/0x3fc [88XXau])
	[  202.101429] [<bf16850c>] (rtw_drvextra_cmd_hdl [88XXau]) from [<bf163ed0>] (rtw_cmd_thread+0x2e4/0x488 [88XXau])
	[  202.111888] [<bf163ed0>] (rtw_cmd_thread [88XXau]) from [<c0135eac>] (kthread+0x134/0x13c)
	[  202.120185] [<c0135eac>] (kthread) from [<c0100148>] (ret_from_fork+0x14/0x2c)
	[  202.127417] Exception stack(0xc3847fb0 to 0xc3847ff8)
	[  202.132482] 7fa0:                                     00000000 00000000 00000000 00000000
	[  202.140673] 7fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
	[  202.148861] 7fe0: 00000000 00000000 00000000 00000000 00000013 00000000
	[  202.155493] Code: bad PC value
	[  202.158740] ---[ end trace e17cd625dca0dfa4 ]---
	[  202.163404] Kernel panic - not syncing: Fatal exception
	[  202.168649] Rebooting in 120 seconds..
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