onclite: sepolicy: Allow power hal to write in /dev/input/event2

* We are using /dev/input/event2 as DT2W node.
  So allow  power hal to write in that node.

Signed-off-by: Dhina17 <dhinalogu@gmail.com>

sepolicy/hal_power_default.te

 # Allow writing to files in /proc/touchpanel
 allow hal_power_default proc_touchpanel:dir search;
 allow hal_power_default proc_touchpanel:file rw_file_perms;
+
+# Allow writing to files in /dev/input/event2
+allow hal_power_default input_device:dir search;
+allow hal_power_default input_device:chr_file rw_file_perms;