MIPS: Netlogic: XLP9XX bridge and DRAM code

Update bridge code. Add code to the XLP9XX registers for DRAM
size, limit and node when running on XLPXX

Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6282/

diff --cc arch/mips/include/asm/netlogic/xlp-hal/bridge.h
Simple merge

diff --cc arch/mips/netlogic/xlp/nlm_hal.c
Simple merge