Change the main partition to be named rootfs so that the scripts mount it

SVN-Revision: 7537

target/linux/adm5120-2.6/files/drivers/mtd/nand/rbmipsnand.c

@@ -58,7 +58,7 @@ static struct mtd_partition partition_info[] = {
 	size: 4 * 1024 * 1024
     },
     {
-        name: "RouterBoard NAND Main",
+        name: "rootfs",
 	offset: MTDPART_OFS_NXTBLK,
 	size: MTDPART_SIZ_FULL
     }