[coreboot] Patch: Update Geode LX code to avoid FILO/Kernel problems

[Edwin Beasant]

This patch adds e- and f-segment as an available RAM area on the AMD lx-northbridge platforms and fixes FILO compatibility
-          Allows SeaBios to become resident correctly
-          Prevents Linux kernel resource problems when booted with FILO and VGA MSR's written
-          Allows use of the Geode VGA patches

Signed-off-by: Edwin Beasant