mb/apple/macbookair4_2: Add ACPI support for EC

Add ACPI support for battery, AC and lid.

I don't have MacBook Air 4,2 to test, but:

- I tested it on 5,2;
- I found decompiled DSDT for 4,2 and compared registers and bits,
  they are the same as on 5,2.

So it should work.

Change-Id: I592cb4501c878fe46684a524e729d32fb1d7920c
Signed-off-by: Evgeny Zinoviev <me@ch1p.io>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33103
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

0 files changed, 0 insertions, 0 deletions