fix(realm_test): host_call structure should be per rec

There is a chance of corruption in host_call data
structure leading to crash.
The structure needs to be allocated per rec.

Change-Id: I6483168df4637392f80fcb83eae279317d4cafa7
Signed-off-by: Shruti Gupta <shruti.gupta@arm.com>
1 file changed