atmel: update at91sam9m10g45 SoC support to new style

Based on earlier work by Alex Waterman <awaterman@dawning.com>.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
diff --git a/arch/arm/include/asm/arch-at91/at91sam9g45.h b/arch/arm/include/asm/arch-at91/at91sam9g45.h
index 364b86c..4df6b09 100644
--- a/arch/arm/include/asm/arch-at91/at91sam9g45.h
+++ b/arch/arm/include/asm/arch-at91/at91sam9g45.h
@@ -129,6 +129,18 @@
 #define ATMEL_BASE_VDEC		0x00900000	/* Video Decoder Controller */
 
 /*
+ * External memory
+ */
+#define ATMEL_BASE_CS0		0x10000000
+#define ATMEL_BASE_CS1		0x20000000
+#define ATMEL_BASE_CS2		0x30000000
+#define ATMEL_BASE_CS3		0x40000000
+#define ATMEL_BASE_CS4		0x50000000
+#define ATMEL_BASE_CS5		0x60000000
+#define ATMEL_BASE_CS6		0x70000000
+#define ATMEL_BASE_CS7		0x80000000
+
+/*
  * Other misc defines
  */
 #define ATMEL_PIO_PORTS		5		/* this SoCs has 5 PIO */