usb: phy: qmp: support multiple function of portselect

On QRD device we want to read pmic CC output through gpio function,
thus request and release phy pinctrl state here,
it allow other function driver request gpio pin state.

Change-Id: I9901e3019656691d1f4ae17cd55ef2cd6784a330
Signed-off-by: Linyu Yuan <linyyuan@codeaurora.org>