msm: ipa: Use Spinlock in GSI irq context

This fix uses the appropriate spinlock in gsi irq context
to protect updating a ipa resource.

Change-Id: Ia19c37d2f54d4d89c4bb508475cef66395275d22
Acked-by: Jyothi Jayanthi <jyothij@qti.qualcomm.com>
Signed-off-by: Michael Adisumarta <madisuma@codeaurora.org>