icnss: Remove hypervisor call from icnss

Remove hyp_assign_phys call which is used to give permission of MSA
region to different VMIDs. This call should be removed as permissions
are statically assigned to MSA region from Trust Zone side.

Change-Id: Ice10bbda69b5526d794c10527f94be1965b3e90a
Signed-off-by: Naman Padhiar <npadhiar@codeaurora.org>