ARM: dts: apq: Configure GPIOs for DragonBoard-8096

Configure Dragonboard-8096 expansion connector pins as general
purpose I/Os:
1. Configuration of PM_GPIOs and PM_MPPs as output.
2. Disable spi_0 to support behavior of APQ_GPIO0,
APQ_GPIO1, APQ_GPIO2, APQ_GPIO3 as regular GPIOs.

Change-Id: Id161ef4d313481c4abfba7f744bde0febb3962cb
Signed-off-by: Anna Hanna Sedlak Grinbaum <asedla@codeaurora.org>