warp7, ls1043: Remove unneeded include paths

include/plat/arm/common isn't needed by them, and is removed to avoid
dependency on Arm platform code.

Change-Id: Id9fccba33326fd075b3d1029bf1e4b012dfa0483
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>

plat/imx/imx7/warp7/platform.mk

@@ -22,7 +22,6 @@ endif
 # Platform
 PLAT_INCLUDES		:=	-Idrivers/imx/uart			\
 				-Iinclude/common/tbbr			\
-				-Iinclude/plat/arm/common/		\
 				-Iplat/imx/common/include/		\
 				-Iplat/imx/imx7/warp7/include		\
 				-Idrivers/imx/timer			\

plat/layerscape/board/ls1043/platform.mk

@@ -22,7 +22,6 @@ LS1043_SECURITY_SOURCES 	:=	plat/layerscape/common/ls_tzc380.c	\
 					plat/layerscape/board/ls1043/ls1043_security.c
 
 PLAT_INCLUDES			:=	-Iplat/layerscape/board/ls1043/include   \
-					-Iinclude/plat/arm/common	\
 					-Iplat/layerscape/common/include	\
 					-Iinclude/drivers/arm   \
 					-Iinclude/lib		\