[DTV00850888] misc: Fix kernel crash while suspend due to no MT7668 dongle inserted.

[Description]
Fix kernel crash while suspend due to no MT7668 dongle inserted.

Unable to handle kernel paging request at virtual address 00088934
Call trace:
[<ffffffbffc0a7ef0>] mtk_cfg80211_suspend+0x90/0xe00 [wlan_mt7668_usb]
[<ffffffc0006562fc>] wiphy_suspend+0xe0/0x290
[<ffffffc0006de050>] legacy_suspend+0xac/0x174
[<ffffffc0003862c8>] __device_suspend+0x1b8/0x294
[<ffffffc000388300>] dpm_suspend+0x170/0x35c
[<ffffffc0003889d8>] dpm_suspend_start+0x74/0x80
[<ffffffc0000e1758>] suspend_devices_and_enter+0x78/0x2b0
[<ffffffc0000e1e1c>] enter_state+0x48c/0x528
[<ffffffc0000e1ef4>] pm_suspend+0x3c/0xac
[<ffffffc0000e28e8>] try_to_suspend+0xf0/0x164
[<ffffffc0000b8700>] process_one_work+0x244/0x3e4
[<ffffffc0000b95e8>] worker_thread+0x290/0x3b8
[<ffffffc0000bdde4>] kthread+0xec/0xf4
Code: f9483260 f90017a1 91422002 91424400 (3964d043)
---[ end trace 138bf041558624f2 ]---

CR-Id: DTV00850888
Change-Id: I3254d893ff4650f9ac50ff403edf8fb2fd394337
Signed-off-by: chia-chi.hu <chia-chi.hu@mediatek.com>
(cherry picked from commit 2b11aa41ad0e765940f1cbbf06f5159da9ca04fc)
(cherry picked from commit 886056950e99d0df5e02b2a7b67701f2b49753e8)
1 file changed