km/common: i2c deblock: enabled print of i2c deblock status

Enable printout of i2c deblocking status if chips were in block
state or deblocking failed.

Signed-off-by: Stefan Bigler <stefan.bigler@keymile.com>
cc: Valentin Longchamp <valentin.longchamp@keymile.com>
cc: Heiko Schocher <hs@denx.de>
cc: Wolfgang Denk <wd@denx.de>