soc: mmrm: Adding mmrmm_client_data flags

Added support for client data flags set by clients with mmrm_set_value.
These flags will be used for additional information passed from clients
to mmrm driver.

Change-Id: Ic629e3dea3a8ab6d85771dd89aa80feb8b9b9719
Signed-off-by: Shivendra Kakrania <shiven@codeaurora.org>