Staging: panel: Reduce value range for *name

out is 0-9 so it's too much for om, therefore reduce value range for
*name from '0'-'9' to '0'-'7'.

Signed-off-by: Ksenija Stanojevic <ksenija.stanojevic@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>