ARM: dts: msm: Use spmi-gpio driver for pm8909

Use spmi-gpio driver instead of qpnp-pin driver for adding
pinctrl devices. This allows consumers to manage the GPIOS
using pinctrl configurations.

Change-Id: Ica9962d7c8e8837670b1f71b53aa034e3fde43b4
Signed-off-by: Shilpa Suresh <sbsure@codeaurora.org>