msm: ipa: fix interrupt mapping

Fix interrupt mapping between logical interrupt and actual
irq number in HW.

CRs-Fixed: 911805
Change-Id: Iafed699c7fee78427b5244d5f70528f6937667b3
Acked-by: Ady Abraham <adya@qti.qualcomm.com>
Signed-off-by: Skylar Chang <chiaweic@codeaurora.org>