feat(fvp): add spmd logical partition

This patch changes spmd.mk to include one or more SPMD logical
partitions specific to a platform. It also adds a basic SPMD logical
partition to fvp.

Change-Id: I2075e0458c92813913b28cbf4cfffc1f151e65cf
Signed-off-by: Raghu Krishnamurthy <raghu.ncstate@gmail.com>
2 files changed