cmds/fs/mkramdisk: Print name of the created device
cmds/fs/mkramdisk: Print name of the created device

This is helpful for two reasons:
1) You don't need to remember, what's the default name for ramdisk (ramX
vs ramdiskX vs whateverX)
2) If you create multiple ramdisks, you don't need to track indices

embox/embox,embox/embox,embox/embox,embox/embox,embox/embox,embox/embox