Added workaround for qseecom (failing to read firmware files)
diff --git a/sepolicy/qseecomd.te b/sepolicy/qseecomd.te
index 5ee6b07..de22f68 100644
--- a/sepolicy/qseecomd.te
+++ b/sepolicy/qseecomd.te
@@ -1,3 +1,4 @@
 type qseecom_device, dev_type;
 allow tee system_prop:property_service set;
 allow tee sshdcpap_firmware_file:file r_file_perms;
+allow tee keymaster_firmware_file:file r_file_perms;