Using tablet mode of fw config to decide to load custom wifi sar or not.
BUG=b:194163604
TEST=build and test on cret and cret360
Signed-off-by: Ian Feng <ian_feng@compal.corp-partner.google.com>
Change-Id: Ie94c2a07ad43fe1cb426e543dd97ed0434c42f2d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56968
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Henry Sun <henrysun@google.com>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>