usb: phy: qmp: add missing hardware orientation debug function

commit 2a55b618 ("usb: phy: qmp: change orientation to
default portselect mode") lost one debug function which
added in commit dc47b6c0 ("usb: phy: qmp: debug value of
portselect pin"), add it back.

Change-Id: Id5eb671c348e91f22c5a7a878d7016820087eb21
Signed-off-by: Linyu Yuan <linyyuan@codeaurora.org>