hikey960: Add SELinux read/write access to hifi-dsp driver

Bug: 64395692
Test: Manual

Change-Id: I07161b9aea68fbe0cc046ea4ee27071755dc7d66
Signed-off-by: Niranjan Yadla <nyadla@cadence.com>
diff --git a/sepolicy/file_contexts b/sepolicy/file_contexts
index e92402b..79c0727 100644
--- a/sepolicy/file_contexts
+++ b/sepolicy/file_contexts
@@ -8,5 +8,6 @@
 /dev/hci_tty           u:object_r:hci_attach_dev:s0
 /dev/ttyAMA1           u:object_r:hci_attach_dev:s0
 /dev/ttyAMA4           u:object_r:hci_attach_dev:s0
+/dev/hifi_misc         u:object_r:audio_device:s0
 /system/vendor/bin/uim u:object_r:hci_attach_exec:s0
 /system/vendor/bin/hw/android\.hardware\.bluetooth@1\.0-service\.hikey      u:object_r:hal_bluetooth_hikey_exec:s0