aspeed: ast2600: Enlarge SRAM size

The AST2600 SRAM has been extended to 88KB since A1
chip revision. This patch updates the SRAM size to
offer more space for early stack/heap use.

Signed-off-by: Chia-Wei Wang <chiawei_wang@aspeedtech.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
diff --git a/arch/arm/include/asm/arch-aspeed/platform.h b/arch/arm/include/asm/arch-aspeed/platform.h
index d50ec5f..589abd4 100644
--- a/arch/arm/include/asm/arch-aspeed/platform.h
+++ b/arch/arm/include/asm/arch-aspeed/platform.h
@@ -17,7 +17,7 @@
 #define ASPEED_MAC_COUNT	4
 #define ASPEED_DRAM_BASE	0x80000000
 #define ASPEED_SRAM_BASE	0x10000000
-#define ASPEED_SRAM_SIZE	0x10000
+#define ASPEED_SRAM_SIZE	0x16000
 #else
 #err "Unrecognized Aspeed platform."
 #endif