AMD Northbridge LX: get rid of #include "northbridge/amd/lx/raminit.c"

Change-Id: I249c63646267ebe8dd8e06980aa6367a16fe7297
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-on: http://review.coreboot.org/3370
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
18 files changed