ARM: OMAP5: Remove OPP_LOW Definitions for ES2.0

ES2.0 descopes OPP_LOW definition. So remove it from macros defined.
Signed-off-by: NNishanth Menon <nm@ti.com>
Reviewed-by: NLokesh Vutla <lokeshvutla@ti.com>

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

@@ -236,9 +236,6 @@
 #define VDD_MPU_ES2_HIGH 1250
 #define VDD_MM_ES2_OD  1120
 
-#define VDD_MPU_ES2_LOW 880
-#define VDD_MM_ES2_LOW 880
-
 /* DRA74x/75x/72x voltage settings in mv for OPP_NOM per DM */
 #define VDD_MPU_DRA7_NOM	1150
 #define VDD_CORE_DRA7_NOM	1150