Make opt_set, opt_set_adv, pins_set also enable

buildroot/bin/pins_set

@@ -2,4 +2,4 @@
 
 SED=$(which gsed || which sed)
 
-eval "${SED} -i 's/\(#define \b${2}\b\).*$/\1 ${3}/g' Marlin/src/pins/pins_${1}.h"
+eval "${SED} -E -i 's/(\/\/)?(#define \b${2}\b).*$/\2 ${3}/g' Marlin/src/pins/pins_${1}.h"