sepolicy: Add ae00000.display-subsystem sysfs path for v6.3-rc1+ kernel versions

v6.3 merge window commit ecf0f5ff152b ("arm64: dts: qcom:
rename mdss nodes to display-subsystem") renamed mdss nodes
to display-subsystem thereby breaking the display on db845c
and rb5 running AOSP with v6.3-rc1+ kernel versions with
selinux in enforcing mode.

This sepolicy patch provide relevant display services and
applications access to ae00000.display-subsystem sysfs path
to support booting with newer kernel versions.

Change-Id: I82f9d2b6b2d1c9fcda9bc5f6ef8b4c674ba5c456
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
diff --git a/sepolicy/genfs_contexts b/sepolicy/genfs_contexts
index 2a50d9c..4d7f4ea 100644
--- a/sepolicy/genfs_contexts
+++ b/sepolicy/genfs_contexts
@@ -6,6 +6,7 @@
 genfscon sysfs   /devices/platform/soc@0/8300000.remoteproc					u:object_r:sysfs_remoteproc:s0
 genfscon sysfs   /devices/platform/soc@0/17300000.remoteproc					u:object_r:sysfs_remoteproc:s0
 genfscon sysfs   /devices/platform/soc@0/ae00000.mdss						u:object_r:sysfs_gpu:s0
+genfscon sysfs   /devices/platform/soc@0/ae00000.display-subsystem				u:object_r:sysfs_gpu:s0
 genfscon sysfs   /class/udc									u:object_r:sysfs_udc:s0
 genfscon sysfs   /firmware/devicetree/base/compatible						u:object_r:sysfs_dt_compatible:s0