RM6785: sepolicy: Allow kernel to write block_device

Change-Id: Ibbed36e13815dc4180352148f058cf9d6e125f02
diff --git a/sepolicy/vendor/kernel.te b/sepolicy/vendor/kernel.te
new file mode 100644
index 0000000..18a2049
--- /dev/null
+++ b/sepolicy/vendor/kernel.te
@@ -0,0 +1 @@
+allow kernel block_device:blk_file rw_file_perms;