Merge changes from topic "marvell-a3k-a8k-updates" into integration
* changes:
fix(plat/marvell/a3k): Fix building uart-images.tgz.bin archive
refactor(plat/marvell/a3k): Rename *_CFG and *_SIG variables
refactor(plat/marvell/a3k): Rename DOIMAGETOOL to TBB
refactor(plat/marvell/a3k): Remove useless DOIMAGEPATH variable
fix(plat/marvell/a3k): Fix check for external dependences
fix(plat/marvell/a8k): Add missing build dependency for BLE target
fix(plat/marvell/a8k): Correctly set include directories for individual targets
fix(plat/marvell/a8k): Require that MV_DDR_PATH is correctly set