at91: rename rm9200ek and rm9200dk board file name

to be a few more concistant with the other boards

as ek is for evaluation kit and dk for development kit

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Andrew Victor <linux@maxim.org.za>
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index 821eb84..62d686f 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -24,8 +24,8 @@
 
 # AT91RM9200 board-specific support
 obj-$(CONFIG_MACH_ONEARM)	+= board-1arm.o
-obj-$(CONFIG_ARCH_AT91RM9200DK)	+= board-dk.o
-obj-$(CONFIG_MACH_AT91RM9200EK)	+= board-ek.o
+obj-$(CONFIG_ARCH_AT91RM9200DK)	+= board-rm9200dk.o
+obj-$(CONFIG_MACH_AT91RM9200EK)	+= board-rm9200ek.o
 obj-$(CONFIG_MACH_CSB337)	+= board-csb337.o
 obj-$(CONFIG_MACH_CSB637)	+= board-csb637.o
 obj-$(CONFIG_MACH_CARMEVA)	+= board-carmeva.o