soc: qcom: secure_buffer: Trace hyp_assign calls

Add trace events to log the caller for hyp_assign_table(), as well as
other relevant information, such as source/destination VMIDs, permissions,
and the sizes and physical bases of the regions affected by the call to
hyp_assign().

Change-Id: Iea37d539e2409465889ad244e74ab4a9e3344e35
Signed-off-by: Sudarshan Rajagopalan <sudaraja@codeaurora.org>
Signed-off-by: Chris Goldsworthy <cgoldswo@codeaurora.org>