amlogic: Move the SHA256 DMA driver to common directory

The SHA256 DMA driver can be used by multiple SoCs. Move it to the
common directory.

Signed-off-by: Carlo Caione <ccaione@baylibre.com>
Change-Id: I96319eeeeeebd503ef0dcb07c0e4ff6a67afeaa5
diff --git a/plat/amlogic/gxl/platform.mk b/plat/amlogic/gxl/platform.mk
index f699381..a7cda77 100644
--- a/plat/amlogic/gxl/platform.mk
+++ b/plat/amlogic/gxl/platform.mk
@@ -14,7 +14,6 @@
 DOIMAGETOOL		?=	${DOIMAGEPATH}/doimage
 
 PLAT_INCLUDES		:=	-Iinclude/drivers/amlogic/		\
-				-Iinclude/drivers/amlogic/${PLAT}	\
 				-I${AML_PLAT_SOC}/include
 
 GIC_SOURCES		:=	drivers/arm/gic/common/gic_common.c	\
@@ -37,7 +36,7 @@
 				${AML_PLAT_SOC}/gxl_scpi.c		\
 				${AML_PLAT_SOC}/gxl_sip_svc.c		\
 				${AML_PLAT_SOC}/gxl_thermal.c		\
-				drivers/amlogic/${PLAT}/crypto/sha_dma.c	\
+				drivers/amlogic/crypto/sha_dma.c	\
 				${GIC_SOURCES}
 
 # Tune compiler for Cortex-A53