USB port 6 connects to a USB front camera, it should always probe.
Remove probe by rear camera fw_config.
BUG=b:273791621
BRANCH=firmware-nissa-15217.B
TEST=emerge-nissa coreboot
Change-Id: I554046718f6e0eb7197970f9a3808b3e1ea7f99c
Signed-off-by: Tony Huang <tony-huang@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74714
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Derek Huang <derekhuang@google.com>