at91: add at91sam9xeek board support

At91sam9xe is basically an at91sam9260 with embedded flash. We can manage
it as another entry for at91sam9260 in the Makefile.

Check documentation at :
http://www.atmel.com/dyn/products/product_card.asp?part_id=4263

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

Makefile

@@ -2615,6 +2615,23 @@ at91sam9260ek_config	:	unconfig
 	fi;
 	@$(MKCONFIG) -a at91sam9260ek arm arm926ejs at91sam9260ek atmel at91
 
+at91sam9xeek_nandflash_config \
+at91sam9xeek_dataflash_cs0_config \
+at91sam9xeek_dataflash_cs1_config \
+at91sam9xeek_config	:	unconfig
+	@mkdir -p $(obj)include
+	@if [ "$(findstring _nandflash,$@)" ] ; then \
+		echo "#define CONFIG_SYS_USE_NANDFLASH 1"	>>$(obj)include/config.h ; \
+		$(XECHO) "... with environment variable in NAND FLASH" ; \
+	elif [ "$(findstring dataflash_cs0,$@)" ] ; then \
+		echo "#define CONFIG_SYS_USE_DATAFLASH_CS0 1"	>>$(obj)include/config.h ; \
+		$(XECHO) "... with environment variable in SPI DATAFLASH CS0" ; \
+	else \
+		echo "#define CONFIG_SYS_USE_DATAFLASH_CS1 1"	>>$(obj)include/config.h ; \
+		$(XECHO) "... with environment variable in SPI DATAFLASH CS1" ; \
+	fi;
+	@$(MKCONFIG) -n at91sam9xeek -a at91sam9260ek arm arm926ejs at91sam9260ek atmel at91sam9
+
 at91sam9261ek_nandflash_config \
 at91sam9261ek_dataflash_cs0_config \
 at91sam9261ek_dataflash_cs3_config \

doc/README.at91

@@ -3,7 +3,7 @@ Atmel AT91 Evaluation kits
 http://atmel.com/dyn/products/tools.asp?family_id=605#1443
 
 ------------------------------------------------------------------------------
-AT91SAM9260EK
+AT91SAM9260EK & AT91SAM9XEEK
 ------------------------------------------------------------------------------
 
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