Merge pull request #1472 from danielboulby-arm/db/Reclaim

Rework page table setup for varying number of mem regions

diff --cc include/plat/arm/common/plat_arm.h
Simple merge

diff --cc plat/arm/common/arm_bl1_setup.c
Simple merge

diff --cc plat/arm/common/arm_bl2_setup.c
Simple merge

diff --cc plat/arm/common/arm_bl2u_setup.c
Simple merge

diff --cc plat/arm/common/arm_bl31_setup.c
Simple merge

diff --cc plat/arm/common/arm_common.c
Simple merge