init: make pmu_poll_enable node readable

Bug: 378509589
Change-Id: I1904fab932deaf6b50b7c1cfcaa29724b3b1c00d
Flag: EXEMPT init config for read permission
diff --git a/conf/init.gs101.rc b/conf/init.gs101.rc
index e0df285..fdf343a 100644
--- a/conf/init.gs101.rc
+++ b/conf/init.gs101.rc
@@ -93,7 +93,7 @@
     chmod 0220 /proc/vendor_sched/groups/ota/set_proc_group
     chmod 0220 /proc/vendor_sched/prefer_idle_set
     chmod 0220 /proc/vendor_sched/prefer_idle_clear
-    chmod 0220 /proc/vendor_sched/pmu_poll_enable
+    chmod 0660 /proc/vendor_sched/pmu_poll_enable
     chmod 0220 /proc/vendor_sched/pmu_poll_time
     chmod 0220 /proc/vendor_sched/uclamp_fork_reset_clear
     chmod 0220 /proc/vendor_sched/uclamp_fork_reset_set