ARM: DRA7xx: Fix memory allocation overflow

When using early malloc the allocated memory can overflow into the SRAM
scratch space, move NON_SECURE_SRAM_IMG_END down a bit to allow more
dynamic allocation at the expense of a slightly smaller maximum image
size.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>

arch/arm/include/asm/arch-omap5/omap.h

@@ -188,7 +188,7 @@ struct s32ktimer {
 #if defined(CONFIG_DRA7XX)
 #define NON_SECURE_SRAM_START	0x40300000
 #define NON_SECURE_SRAM_END	0x40380000	/* Not inclusive */
-#define NON_SECURE_SRAM_IMG_END	0x4037E000
+#define NON_SECURE_SRAM_IMG_END	0x4037C000
 #else
 #define NON_SECURE_SRAM_START	0x40300000
 #define NON_SECURE_SRAM_END	0x40320000	/* Not inclusive */