feat(morello): add support for HW_CONFIG

This patch add support to load HW_CONFIG in BL2 and pass it to
bootloader stages BL31 and BL33.

Signed-off-by: Patrik Berglund <patrik.berglund@arm.com>
Change-Id: I646fabed83dbca5322a59a399de5194cfef474ad
2 files changed