We hardcode highmemory size in every northbridge! This is bad, and especially if...

We hardcode highmemory size in  every northbridge! This is bad, and especially if suspend to ram is involved. Let the default be taken from cbmem.h which also handles the suspend logic.

Abuild tested. Please check all changes if I did not make any wrong while converting this to bytes.

Signed-off-by: Rudolf Marek <r.marek@assembler.cz>
Acked-by: Peter Stuge <peter@stuge.se>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6171 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1