ARM: OMAP4+: Cleanup header files

After having the u-boot clean up series, there are
many definitions that are unused in header files.
Removing all those unused ones.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
diff --git a/arch/arm/include/asm/omap_common.h b/arch/arm/include/asm/omap_common.h
index f8f3719..712d78b 100644
--- a/arch/arm/include/asm/omap_common.h
+++ b/arch/arm/include/asm/omap_common.h
@@ -367,6 +367,7 @@
 	u32 control_ldosram_iva_voltage_ctrl;
 	u32 control_ldosram_mpu_voltage_ctrl;
 	u32 control_ldosram_core_voltage_ctrl;
+	u32 control_usbotghs_ctrl;
 	u32 control_padconf_core_base;
 	u32 control_paconf_global;
 	u32 control_paconf_mode;
@@ -555,9 +556,6 @@
 	       u32 txdone, u32 txdone_mask, u32 opp);
 s8 abb_setup_ldovbb(u32 fuse, u32 ldovbb);
 
-/* Max value for DPLL multiplier M */
-#define OMAP_DPLL_MAX_N	127
-
 /* HW Init Context */
 #define OMAP_INIT_CONTEXT_SPL			0
 #define OMAP_INIT_CONTEXT_UBOOT_FROM_NOR	1