A new port apple/macbook21.

Current problems:
- Complete lack of EC support (no battery indicator, no temperature, ...)
- No audio support

Change-Id: I25d09629dd82e01fadca2b6c25f72aaf08eafae1
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Signed-off-by: Axel Holewa <mono@posteo.de>
Reviewed-on: http://review.coreboot.org/5321
Tested-by: build bot (Jenkins)
apple/macbook21: EC handling ACPI implementation.

Now battery indicator and lid work.

Change-Id: I2f747a408e331a245d91dd5f9c7ead0729f02a67
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/5323
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Tested-by: build bot (Jenkins)
macbook21: Add CST entries

Change-Id: I9e8628d879a193e2f6ba561ee17f24ae94435e1a
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/6693
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
gm45: Declare BIOS memory as RAM.

So it's in line with other boards and those addresses are cached for faster
access.

Change-Id: I7794d75ef1e3ceea6b2a4acba01e4af5d1f005f5
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/6689
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>