init.common.usb.rc: Do not hardcode sys.usb.controller property

Upstream commit eb9b7bfd5954 ("arm64: dts: qcom: Harmonize DWC
USB3 DT nodes name") (v5.14-rc1) changed the DTS USB node names,
breaking the sys.usb.controller property hardcoded in the
platfrom specific init.usb.common.rc

This script will get rid of the static/hardcoded proprty name
and set the property to the available on-board USB controller
from /sys/class/udc instead.

Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
Change-Id: I1255cd9a3456510d93437989e7e378d9e6bc0c8b
diff --git a/sepolicy/genfs_contexts b/sepolicy/genfs_contexts
index a0999b0..8f18ea7 100644
--- a/sepolicy/genfs_contexts
+++ b/sepolicy/genfs_contexts
@@ -3,6 +3,7 @@
 genfscon sysfs   /devices/platform/remoteproc-cdsp/remoteproc					u:object_r:sysfs_remoteproc:s0
 genfscon sysfs   /devices/platform/soc@0/4080000.remoteproc					u:object_r:sysfs_remoteproc:s0
 genfscon sysfs   /devices/platform/soc@0/ae00000.mdss						u:object_r:sysfs_gpu:s0
+genfscon sysfs   /class/udc									u:object_r:sysfs_udc:s0
 genfscon sysfs   /devices/platform/soc@0/1c00000.pci/pci0000:00/0000:00:00.0/0000:01:00.0/wakeup/wakeup1					u:object_r:sysfs_wakeup:s0
 genfscon sysfs   /devices/platform/soc@0/a6f8800.usb/wakeup/wakeup2										u:object_r:sysfs_wakeup:s0
 genfscon sysfs   /devices/platform/soc@0/a8f8800.usb/wakeup/wakeup3										u:object_r:sysfs_wakeup:s0