Currently, if a client tries to load a secure app in QSEE and another client tries to send a message to another secure app, it results in a crash. Instead of using 2 different mutex's - one for sending messages and another for rest of the operations, now only one mutex is used for all operations. Change-Id: I8e1ad9ddf84cca602c6159a6f50b1abaff427b7c Signed-off-by: Ramesh Masavarapu <rameshm@codeaurora.org>