The version is stored as BCD, e.g. 0x40 -> ".4" and 0x41 -> ".41".
The latter was getting printed as ".65". Simplify the logic a bit to
not split the minor into nybbles just to re-assemble it into a byte
again.
Signed-off-by: Trent Piepho <tpiepho@kymetacorp.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>