pinctrl: Add affinity callbacks to msm pinctrl IRQ chip

Wake-up capable IRQs are not being migrated when a CPU is hot-plugged.
Add affinity callbacks to msm pinctrl IRQ chip, to update the affinity
of these wake-up capable IRQs.

Change-Id: Ic0892d583b567c7d6a2c7ab7fa9d75502c3f3a7a
Signed-off-by: Venkata Narendra Kumar Gutta <vnkgutta@codeaurora.org>