universal7870:selinux: gatekeeperd + prov_efs_file

it seems that /efs/TEE can have 2 contexts:
efs_file and prov_efs_file. this commit ensures both will be met
Signed-off-by: steadfasterX <steadfasterX@gmail.com>

sepolicy/vendor/gatekeeperd.te

 # allow to set screen lock
-allow gatekeeperd efs_file:dir { search add_name write create open };
-allow gatekeeperd efs_file:file { create open write read };
+allow gatekeeperd { efs_file prov_efs_file }:dir { search add_name write create open };
+allow gatekeeperd { efs_file prov_efs_file}:file { create open write read };