amlogic: sha_dma: Move register mappings to platform header

The registers location for the SHA DMA driver is not unique for the
different platforms. Move the mapping out of the driver and into the
platform-specific header.

Signed-off-by: Carlo Caione <ccaione@baylibre.com>
Change-Id: Ice64637844a3cb384b01e466cb8c1cea5f764129
diff --git a/plat/amlogic/gxbb/gxbb_def.h b/plat/amlogic/gxbb/gxbb_def.h
index 2f6d1d2..2c92624 100644
--- a/plat/amlogic/gxbb/gxbb_def.h
+++ b/plat/amlogic/gxbb/gxbb_def.h
@@ -95,6 +95,10 @@
 #define AML_HIU_MAILBOX_STAT_3			UL(0xDA83C42C)
 #define AML_HIU_MAILBOX_CLR_3			UL(0xDA83C430)
 
+#define AML_SHA_DMA_BASE			UL(0xC883E000)
+#define AML_SHA_DMA_DESC			(AML_SHA_DMA_BASE + 0x08)
+#define AML_SHA_DMA_STATUS			(AML_SHA_DMA_BASE + 0x18)
+
 /*******************************************************************************
  * System Monitor Call IDs and arguments
  ******************************************************************************/