Update notes for submitted changes

* p50x: Enable selinux support
Update notes for submitted changes

* Add permission checking for binder IPC.
Update notes for submitted changes

* Add permission checking for binder IPC.
Update notes for submitted changes

* Do not ratelimit audit messages. We want to see them all.
Update notes for submitted changes

* Enable setting security contexts on rootfs inodes.
Update notes for submitted changes

* yaffs: fix getxattr support
Update notes for submitted changes

* yaffs: set security attribute at file creation
Update notes for submitted changes

* usb:gadget:android: avoid sending extra uevents