ARM: dts: msm: Add pinctrl support display reset gpio on sdmmagpie

Display reset pin is sourced from PMIC on sdmmagpie. This change
add pinctrl support to configure pins in correct state.

Change-Id: I353262152ca5366eb66d5ab0b8c9f32ae4f8e6f3
Signed-off-by: Vishnuvardhan Prodduturi <vproddut@codeaurora.org>