omap3: emif|sdrc: use a single global data define

DECLARE_GLOBAL_DATA_PTR declarations in functions are inherently
troublesome with various compilers (e.g. gcc 4.5)

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
diff --git a/arch/arm/cpu/armv7/omap3/sdrc.c b/arch/arm/cpu/armv7/omap3/sdrc.c
index a4979ce..2a7970b 100644
--- a/arch/arm/cpu/armv7/omap3/sdrc.c
+++ b/arch/arm/cpu/armv7/omap3/sdrc.c
@@ -37,6 +37,7 @@
 #include <asm/arch/mem.h>
 #include <asm/arch/sys_proto.h>
 
+DECLARE_GLOBAL_DATA_PTR;
 extern omap3_sysinfo sysinfo;
 
 static struct sdrc *sdrc_base = (struct sdrc *)OMAP34XX_SDRC_BASE;
@@ -172,7 +173,6 @@
  */
 int dram_init(void)
 {
-	DECLARE_GLOBAL_DATA_PTR;
 	unsigned int size0 = 0, size1 = 0;
 
 	size0 = get_sdr_cs_size(CS0);
@@ -194,7 +194,6 @@
 
 void dram_init_banksize (void)
 {
-	DECLARE_GLOBAL_DATA_PTR;
 	unsigned int size0 = 0, size1 = 0;
 
 	size0 = get_sdr_cs_size(CS0);