pinctrl: berlin: drop owner assignment from platform_drivers

A platform_driver does not need to set an owner, it will be populated by the
driver core.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

diff --cc drivers/pinctrl/berlin/berlin-bg2.c
Simple merge

diff --cc drivers/pinctrl/berlin/berlin-bg2cd.c
Simple merge

diff --cc drivers/pinctrl/berlin/berlin-bg2q.c
Simple merge