ARM: dts: msm: remove gpio output settings in pinctrl for 8916/8939

The generic pin control configuration for mdss should not have gpio
output settings. This change removes them from 8916/8939 pin control
so that gpio output can be controlled in the driver.

Change-Id: I8eba56eed39c324fda10c6f6af85d250f1512007
Signed-off-by: Padmanabhan Komanduru <pkomandu@codeaurora.org>