ARM: dts: msm: Add USB ID gpio and pin configs

An external ID line using msm gpio is used on MSM8916 for
USB ID detection. Add the gpio configs and install the
pin configurations of usb_id_gpio.

CRs-fixed: 601057
Change-Id: I2ac4b48eab0b0aa089430674914863b803c514da
Signed-off-by: Saket Saurabh <ssaurabh@codeaurora.org>