Change l3-cdsp to userspace and fix node permission

This is giving CDSP related daemon permission to vote for L3 frequency
when it needs it for performance.

Bug: 111668555
Test: boot and check node permission
Change-Id: I4b74565c27005fc1d843cf5cf1132528610e4d19
diff --git a/init.power.rc b/init.power.rc
index 935dc76..a52b6d2 100644
--- a/init.power.rc
+++ b/init.power.rc
@@ -62,6 +62,10 @@
     write /sys/class/drm/card0/device/idle_encoder_mask 1
     write /sys/class/drm/card0/device/idle_timeout_ms 100
 
+    # Change l3-cdsp to userspace governor
+    write /sys/class/devfreq/soc:qcom,l3-cdsp/governor userspace
+    chown system system /sys/class/devfreq/soc:qcom,l3-cdsp/userspace/set_freq
+
 # Disable console_suspend to get better logging for kernel crashes
 on boot
     write /sys/module/printk/parameters/console_suspend N