msm: cpp: De-init bandwidth manager during error conditions

Bandwidth manager is not de-initialized if an error happens during
probe. Add a de-initialization sequence in error scenarios

Change-Id: Ic3e5e51dcf95722ce81ea5546b2df99a4661a176
Signed-off-by: Krishnankutty Kolathappilly <kkolatha@codeaurora.org>