irqchip: add snapshot of msm_show_resume_irq

This is a snapshot of drivers/irqchip/msm_show_resume_irq.c as of
msm-4.4 commit <9b82a4c5896632> ("Merge "qseecom: allocate sglistinfo
buffer for kernel clients"").

Change-Id: If0214201e6ede1d101d9ed955e78c468297364fa
Signed-off-by: Channagoud Kadabi <ckadabi@codeaurora.org>
Signed-off-by: Prasad Sodagudi <psodagud@codeaurora.org>