update

devices/nanopi-r4s/files/etc/config/cpufreq

@@ -1,6 +1,8 @@
+
 config settings 'cpufreq'
 	option governor0 'schedutil'
+	option maxfreq0 '1800000'
+	option governor4 'schedutil'
+	option minfreq4 '816000'
+	option maxfreq4 '2208000'
 	option minfreq0 '816000'
-	option maxfreq0 '1608000'
- 	option upthreshold0 '50'
- 	option factor0 '10'