ARM: dts: change pinctrl handle for release/suspend

This change helps in releasing the specific functionality pins,
as devm_pinctrl_put is not helping for release.

Change-Id: I053d63fdb4457668c39fe5c1aa4c6d63beeac3f2
Signed-off-by: Viswanadha Raju Thotakura <viswanad@codeaurora.org>