[target/msm7630]: Add support for msm8x55 target in apps bootloader.

Add code to use the msm_id to differenciate between 7x30 and
8x55 targets. Add new Machine ids for surf and ffa for 8x55 that will be passed
to the kernel after reading the msm_id.

Change-Id: I1fd8378f5ab65480228b3b4a6a8c7e35421cc7cc
1 file changed