marvell: armada: add extra level in marvell platform hierarchy

This commit is a preparation for upcoming support for OcteonTX and
OcteonTX2 product families. Armada platform related files (docs,
plat, include/plat) are moved to the new "armada" sub-folder.

Change-Id: Icf03356187078ad6a2e56c9870992be3ca4c9655
Signed-off-by: Grzegorz Jaszczyk <jaz@semihalf.com>
Signed-off-by: Marcin Wojtas <mw@semihalf.com>

plat/marvell/common/mss/mss_common.mk → plat/marvell/armada/common/mss/mss_common.mk

@@ -6,7 +6,7 @@
 #
 
 
-PLAT_MARVELL		:= 	plat/marvell
+PLAT_MARVELL		:= 	plat/marvell/armada
 MSS_SOURCE		:= 	$(PLAT_MARVELL)/common/mss
 
 BL2_SOURCES		+=	$(MSS_SOURCE)/mss_scp_bootloader.c		\