ARM: 5782/1: at91: support for eco920

CONFIG_MACH_ECO920 is enabled in at91rm9200dk_defconfig.  The name is
wrong, but this is better than adding another defconfig or don't get
compile coverage at all.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.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 f9e12bb..709fbad 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -35,6 +35,7 @@
 obj-$(CONFIG_MACH_ECBAT91)	+= board-ecbat91.o
 obj-$(CONFIG_MACH_YL9200)	+= board-yl-9200.o
 obj-$(CONFIG_MACH_CPUAT91)	+= board-cpuat91.o
+obj-$(CONFIG_MACH_ECO920)	+= board-eco920.o
 
 # AT91SAM9260 board-specific support
 obj-$(CONFIG_MACH_AT91SAM9260EK) += board-sam9260ek.o