mb/apple/macbookair4_2: Add CMOS support

Added CMOS support for MacBook Air 4,2. In future, I hope there will
be more useful options available, because I'm working on macbooks
support.

Also, it may be necessary for hyper_threading support (#29669) once it
will be ready.

Change-Id: I369ed9aeff2098a4840918531be6a34cfc8d2a1e
Signed-off-by: Evgeny Zinoviev <me@ch1p.io>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33045
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Peter Lemenkov <lemenkov@gmail.com>

0 files changed, 0 insertions, 0 deletions