irqchip: add snapshot of msm_show_resume_irq

This is a snapshot of drivers/irqchip/msm_show_resume_irq.c as of
msm-4.14 commit <02ff79e55ddc0aa>. (Merge "perf: don't zombie
certain events in perf_event_release_kernel").

Change-Id: I8d33455c9f482b5742023042e947f0af3d3c2335
Signed-off-by: Rishabh Bhatnagar <rishabhb@codeaurora.org>