ubifs: Allow ubifsmount volume reference by number

UBI can mount volumes by name or number  The current code forces you
to name the volume by prepending every name with "ubi:".

>From fs/ubifs/super.c
 * There are several ways to specify UBI volumes when mounting UBIFS:
 * o ubiX_Y    - UBI device number X, volume Y;
 * o ubiY      - UBI device number 0, volume Y;
 * o ubiX:NAME - mount UBI device X, volume with name NAME;
 * o ubi:NAME  - mount UBI device 0, volume with name NAME.

Now any name passed in any of the above forms are allowed.

Also update the configs that referenced ubifsmount.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/include/configs/omap3_pandora.h b/include/configs/omap3_pandora.h
index ee88841..b77ce25 100644
--- a/include/configs/omap3_pandora.h
+++ b/include/configs/omap3_pandora.h
@@ -180,7 +180,8 @@
 			"ext2load mmc1 0 ${loadaddr} autoboot.scr; then " \
 		"source ${loadaddr}; " \
 	"fi; " \
-	"ubi part boot && ubifsmount boot && ubifsload ${loadaddr} uImage && bootm ${loadaddr}"
+	"ubi part boot && ubifsmount ubi:boot && " \
+		"ubifsload ${loadaddr} uImage && bootm ${loadaddr}"
 
 #define CONFIG_AUTO_COMPLETE	1
 /*