ARM: dts: msm: Update MPM mapping for GIC interrupts for msm8939

bimc irq is preventing xo shutdown keeping xo lpm clk on. As this
irq is not responsible for wakeup it can be added to MPM bypass
list to allow xo shutdown.

Change-Id: I8d61b7b2db26e35cb6db398d241fe840924eb7e2
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>