Update atstk1002 bootargs.

Updates to atstk1002 U-Boot header file:
- Changed bootargs:
    * Set the bootargs for at1002 to point to the SD-card partition instead
    * ... of the boot flash.
    * Removing the rootfstype since that argument are not needed.

Signed-off-by: Eirik Aanonsen <eaa@wprmedical.com>
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>

include/configs/atstk1002.h

@@ -96,7 +96,7 @@
 
 #define CONFIG_BAUDRATE			115200
 #define CONFIG_BOOTARGS							\
-	"console=ttyS0 root=/dev/mtdblock1 rootfstype=jffs2 fbmem=600k"
+	"console=ttyS0 root=/dev/mmcblk0p1 fbmem=600k rootwait=1"
 
 #define CONFIG_BOOTCOMMAND						\
 	"fsload; bootm $(fileaddr)"