Add support for AT91SAM9260EK

Support for booting from internal DataFlash, external DataFlash card
or NAND flash is available.

Signed-off-by: Stelian Pop <stelian@popies.net>
diff --git a/Makefile b/Makefile
index 429a194..cf16bd6 100644
--- a/Makefile
+++ b/Makefile
@@ -2308,6 +2308,9 @@
 at91rm9200dk_config	:	unconfig
 	@$(MKCONFIG) $(@:_config=) arm arm920t at91rm9200dk atmel at91rm9200
 
+at91sam9260ek_config	:	unconfig
+	@$(MKCONFIG) $(@:_config=) arm arm926ejs at91sam9260ek atmel at91sam9
+
 cmc_pu2_config	:	unconfig
 	@$(MKCONFIG) $(@:_config=) arm arm920t cmc_pu2 NULL at91rm9200