fdts: a5ds: add L2 cache node in devicetree
fdts: a5ds: add L2 cache node in devicetree

This change is to add L2 cache node into a5ds device tree.

Change-Id: I64b4b3e839c3ee565abbcd1567d1aa358c32d947
Signed-off-by: Vishnu Banavath <03aa44955b4cdec5390ffe720a94542b904bd4bb@arm.com>

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