fix(plat/marvell/a3k): enable workaround for erratum 1530924
fix(plat/marvell/a3k): enable workaround for erratum 1530924

Erratum 1530924 affects Armada 37xx CPU, since it affects all Cortex-A53
revisions from r0p0 to r0p4.

Enable the workaround for this erratum.

Signed-off-by: Marek Behún <d64f4a2263a76be7ba227d043cc5b34c91f070db@nic.cz>
Change-Id: I753225040e49e956788d5617cd7ce76d5e6ea8e8

achingupta/arm-trusted-firmware,achingupta/arm-trusted-firmware