selinux: add pstore

Used to record the Android log messages, then on reboot
provide a means to triage user-space actitivies leading
up to a panic. A companion to the pstore console logs.

Change-Id: I9b94ee3d5e94e0c4590ba8453b4ac1ebdfc7603f
diff --git a/file_contexts b/file_contexts
index a733759..04fa4c7 100644
--- a/file_contexts
+++ b/file_contexts
@@ -66,6 +66,7 @@
 /dev/mpuirq		u:object_r:gps_device:s0
 /dev/mtd(/.*)?		u:object_r:mtd_device:s0
 /dev/mtp_usb		u:object_r:mtp_device:s0
+/dev/pmsg0		u:object_r:pmsg_device:s0
 /dev/pn544		u:object_r:nfc_device:s0
 /dev/ppp		u:object_r:ppp_device:s0
 /dev/ptmx		u:object_r:ptmx_device:s0