msm: camera: req_mgr: Fix deadlock in ICP driver in close sequence

ICP driver is not releasing mutex in error scenario
in close sequence and causing deadlock further in open.

Fix the deadlock and avoid prints in other driver
while close in provider crash.

CRs-Fixed: 2938073
Change-Id: I226c9a8e9b2d0c30e90282b11fbd15ea0b085f87
Signed-off-by: Alok Chauhan <alokc@codeaurora.org>