enable bootctrol for db845c build

so that it will be possible to work with GSI image

Test: boot to homescreen
      console:/ # getprop init.svc.vendor.boot-hal-1-1
      running
      console:/ #
      VtsHalBootV1_0TargetTest and VtsHalBootV1_1TargetTest

Signed-off-by: Yongqin Liu <yongqin.liu@linaro.org>
Change-Id: I147f04de1c8bc7fd506d351f514498341ef7388c
diff --git a/sepolicy/file_contexts b/sepolicy/file_contexts
index bc69fcc..f70cc5f 100644
--- a/sepolicy/file_contexts
+++ b/sepolicy/file_contexts
@@ -5,6 +5,7 @@
 /dev/block/platform/soc@0/1d84000\.ufshc/by-name/super		u:object_r:super_block_device:s0
 /dev/block/platform/soc@0/1d84000\.ufshc/by-name/userdata	u:object_r:userdata_block_device:s0
 /dev/block/platform/soc@0/1d84000\.ufshc/by-name/cache		u:object_r:cache_block_device:s0
+/dev/block/platform/soc@0/1d84000\.ufshc/by-name/misc		u:object_r:misc_block_device:s0
 
 /dev/dri				u:object_r:dri_device:s0
 /dev/dri/card0				u:object_r:graphics_device:s0