avr32: Add MMIO address definitions for certain controllers

Hardcoded MMIO base addresses are used a few places throughout the
platform code. Move these into the chip-specific header file so that
adding support for new chips becomes a bit easier.

Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
diff --git a/arch/avr32/mach-at32ap/pm.c b/arch/avr32/mach-at32ap/pm.c
index a0cbef5..f021edf 100644
--- a/arch/avr32/mach-at32ap/pm.c
+++ b/arch/avr32/mach-at32ap/pm.c
@@ -14,12 +14,10 @@
 #include <asm/cacheflush.h>
 #include <asm/sysreg.h>
 
+#include <mach/chip.h>
 #include <mach/pm.h>
 #include <mach/sram.h>
 
-/* FIXME: This is only valid for AP7000 */
-#define SDRAMC_BASE	0xfff03800
-
 #include "sdramc.h"
 
 #define SRAM_PAGE_FLAGS	(SYSREG_BIT(TLBELO_D) | SYSREG_BF(SZ, 1)	\