ARM: OMAP: Make plat/sram.h local to plat-omap

We can move this from plat to be local to plat-omap
for common ARM zImage support.

Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/mach-omap2/pm24xx.c

@@ -37,9 +37,10 @@
 #include <asm/system_misc.h>
 
 #include <plat/clock.h>
-#include <plat/sram.h>
 #include <plat-omap/dma-omap.h>
 
+#include "../plat-omap/sram.h"
+
 #include "common.h"
 #include "prm2xxx_3xxx.h"
 #include "prm-regbits-24xx.h"