msm: ipa: fix reference count in rm

IPA RM keeps reference count for consumer resources.
In some cases where the client driver returns failure
on request_resource callback, the reference count may get
out of sync.

Change-Id: I6be84411e0bfe4f90570ab62c2d0a0c8539b8f34
CRs-Fixed: 1070261
Acked-by: Ady Abraham <adya@qti.qualcomm.com>
Signed-off-by: Skylar Chang <chiaweic@codeaurora.org>