ARM: 6054/1: AT91: taskit PortuxG20 and Stamp9G20 board support

Both boards share the same board file, as the PortuxG20 is basically an
SBC based on the Stamp9G20.

Signed-off-by: Christian Glindkamp <christian.glindkamp@taskit.de>
Acked-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index 027dd57..1df9ee1 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -63,6 +63,8 @@
 obj-$(CONFIG_MACH_AT91SAM9G20EK) += board-sam9g20ek.o
 obj-$(CONFIG_MACH_AT91SAM9G20EK_2MMC) += board-sam9g20ek-2slot-mmc.o
 obj-$(CONFIG_MACH_CPU9G20)	+= board-cpu9krea.o
+obj-$(CONFIG_MACH_STAMP9G20)	+= board-stamp9g20.o
+obj-$(CONFIG_MACH_PORTUXG20)	+= board-stamp9g20.o
 
 # AT91SAM9G45 board-specific support
 obj-$(CONFIG_MACH_AT91SAM9G45EKES) += board-sam9m10g45ek.o