rtw88: downgrade rtw8822c firmware to 9.9.10

Firmware version 9.9.11 added support for hw_scan and is reportedly
causing more problems than 9.9.10 does. Until we get a chance to
test this out downgrade the firmware in order to help people testing
more.

Sponsored by: The FreeBSD Foundation
PR: 248235
MFC after: 2 days
X-MFC: just to get the reminder with the original commit
X-MFC with: 73d4ebea3567f18db549638c3d897b6d6758faa4