sun6i: Add gmac support for sun6i boards

Hookup the gmac found on the sun6i / A31 SoCs.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
diff --git a/arch/arm/include/asm/arch-sunxi/cpu.h b/arch/arm/include/asm/arch-sunxi/cpu.h
index bdee89e..2c92b5c 100644
--- a/arch/arm/include/asm/arch-sunxi/cpu.h
+++ b/arch/arm/include/asm/arch-sunxi/cpu.h
@@ -99,9 +99,13 @@
 
 #define SUNXI_SCR_BASE			0x01c2c400
 
+#ifndef CONFIG_MACH_SUN6I
 #define SUNXI_GPS_BASE			0x01c30000
 #define SUNXI_MALI400_BASE		0x01c40000
 #define SUNXI_GMAC_BASE			0x01c50000
+#else
+#define SUNXI_GMAC_BASE			0x01c30000
+#endif
 
 #define SUNXI_DRAM_COM_BASE		0x01c62000
 #define SUNXI_DRAM_CTL0_BASE		0x01c63000