am33xx: Remove DMM_BASE define

The am33xx does not have a DMM, so don't define the base.

Signed-off-by: Tom Rini <trini@ti.com>

arch/arm/include/asm/arch-am33xx/hardware.h

@@ -54,7 +54,6 @@
 /* EMIF Base address */
 #define EMIF4_0_CFG_BASE		0x4C000000
 #define EMIF4_1_CFG_BASE		0x4D000000
-#define DMM_BASE			0x4E000000
 
 /* PLL related registers */
 #define CM_PER				0x44E00000