pwmconfig: Print the initial PWM values

Print the initial PWM values before letting the user change them. This
should be useful to better understand what happens next, and for user
support in general.

CHANGES

@@ -4,6 +4,7 @@ lm-sensors CHANGES file
 SVN HEAD
   sensors.conf.5: Mention "sensors -u" to get the raw feature names
   sensors: Clarify what option -u is good for
+  pwmconfig: Print the initial PWM values
   sensors-detect: Add detection of AMD family 16h power sensors
                   Map IT8771E, IT8772E, IT8782F and IT8783F to it87
                   Use /sys/module instead of /proc/modules where available

prog/pwm/pwmconfig

@@ -236,7 +236,8 @@ echo
 echo 'Found the following PWM controls:'
 for i in $PWM
 do
-	echo "   $i"
+	P=`cat $i`
+	echo "   $i           current value: $P"
 	if [ -w $i ]
 	then
 		# First check if PWM output is in automatic mode