sepolicy: basic: non_plat: Allow mtk fm app to access /dev/fm

Signed-off-by: Zinadin Zidan <zidan44@pixelexperience.org>
Change-Id: Ie9f4593ae6d122505b39ba212cce939375c7f447
diff --git a/basic/non_plat/system_app.te b/basic/non_plat/system_app.te
index e135679..d6c26f1 100644
--- a/basic/non_plat/system_app.te
+++ b/basic/non_plat/system_app.te
@@ -42,3 +42,6 @@
 # Purpose: Allow system app to access mtk fpsgo
 allow system_app sysfs_fpsgo:dir search;
 allow system_app sysfs_fpsgo:file r_file_perms;
+
+# MTK FM Radio
+allow system_app fm_device:chr_file rw_file_perms;