gm45: Recognize 48MiB gfx UMA.

Change-Id: I33e6b357ea044d6ec00b119e84cbada7bf58317f
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/6685
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
lenovo/x200: Remove leftover roda rk9 devices.

Change-Id: Ief3baa985cf83059255e64a8ab78cad9f8571199
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/6688
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
gm45: Make UMA size configurable.

Change-Id: I27b2ec70b9c77f3caf9d52788f46f5dc16045d1b
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/6686
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
gm45: Decrease MTRR usage

Change-Id: I4c790b0eaf2af94286e6691281fcad3d14659a99
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/6687
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>