ARM: spear: Staticize spear13xx_io_desc

'spear13xx_io_desc' is used only in this file.
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: NSachin Kamat <sachin.kamat@samsung.com>
Acked-by: NViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: NOlof Johansson <olof@lixom.net>

arch/arm/mach-spear/spear13xx.c

@@ -57,7 +57,7 @@ void __init spear13xx_l2x0_init(void)
  * 0xEC000000		0xFC000000
  * 0xED000000		0xFB000000
  */
-struct map_desc spear13xx_io_desc[] __initdata = {
+static struct map_desc spear13xx_io_desc[] __initdata = {
 	{
 		.virtual	= (unsigned long)VA_PERIP_GRP2_BASE,
 		.pfn		= __phys_to_pfn(PERIP_GRP2_BASE),