mfd: Modifying the twl4030-power macro name Main_Ref to all caps

Modifying the macro name Main_Ref to all caps(MAIN_REF).

Suggested by Nishanth Menon <nm@ti.com>

Signed-off-by: Lesly A M <leslyam@ti.com>
Cc: Nishanth Menon <nm@ti.com>
Cc: David Derrick <dderrick@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index bbcb677..01ee0a1 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -730,7 +730,7 @@
 	{ .resource = RES_RESET, .devgroup = -1,
 	  .type = 1, .type2 = -1, .remap_off = -1, .remap_sleep = -1
 	},
-	{ .resource = RES_Main_Ref, .devgroup = -1,
+	{ .resource = RES_MAIN_REF, .devgroup = -1,
 	  .type = 1, .type2 = -1, .remap_off = -1, .remap_sleep = -1
 	},
 	{ 0, 0},