apalis_imx6: fix set_emmcargs wrapper

Fix set_emmcargs wrapper, which prepares proper bootargs for booting
from eMMC.

Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
Reviewed-by: Philippe Schenker <philippe.schenker@toradex.com>
diff --git a/include/configs/apalis_imx6.h b/include/configs/apalis_imx6.h
index 4b0a3fb..cffb90a 100644
--- a/include/configs/apalis_imx6.h
+++ b/include/configs/apalis_imx6.h
@@ -121,8 +121,8 @@
 	"imx6q-apalis-cam-eval.dtb fat 0 1"
 
 #define EMMC_BOOTCMD \
-	"set_emmcargs emmcargs ip=off root=PARTUUID=${uuid} ro,noatime " \
-		"rootfstype=ext4 rootwait\0" \
+	"set_emmcargs=setenv emmcargs ip=off root=PARTUUID=${uuid} " \
+		"ro,noatime rootfstype=ext4 rootwait\0" \
 	"emmcboot=run setup; run emmcfinduuid; run set_emmcargs; " \
 		"setenv bootargs ${defargs} ${emmcargs} ${setupargs} " \
 		"${vidargs}; echo Booting from internal eMMC chip...; "	\