pinctrl: qcom: Add support for direct connect of GPIO interrupts

Some of the GPIOs can be configured to wake up directly at the GIC instead
of chaining them into the parent TLMM registers. These GPIOs also have a
wakeup into the sleep interrupt controller, thereby, allowing wake up from
system sleep.

Change-Id: I8e58ba521aed45fffbef095d2417dbfbf2a3bc28
Signed-off-by: Mahesh Sivasubramanian <msivasub@codeaurora.org>