drm/bridge: Remove extra device acquisition method of i2c client in lt9611 driver

We have got the device of i2c client in probe function. So we should remove
extra device acquisition method of i2c client.

Signed-off-by: Zhiming Liu <lzmlzmhh@gmail.com>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220117154150.5145-1-lzmlzmhh@gmail.com


Reviewed-by: Robert Foss <robert.foss@linaro.org>