smcinvoke: Port smcinvoke driver changes

This change ports the recent changes made in
smcinvoke driver from kernel 4.19 branch to 5.4
branch. List of changes:

- mink: fix race condition in cb server exit
- mink: Add support of yield() interface in smcinvoke
- mink: fix incorrect server release
- SMCInvoke: Process requests for active clients
- smcinvoke: Add suspend resume support
- smcinvoke : Add logging in smcinvoke driver
- smcinvoke: Remove workqueue has sleeper
- smcinvoke : Add locking to shared variables.

Change-Id: Ica3c61470e75e3ef252f65e3c031613305710bdb
Signed-off-by: Anmolpreet Kaur <anmolpre@codeaurora.org>