In order to disable building plugins for a target, 'plugin' must be set to empty in configure.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16662 a1c6a512-1295-4272-9138-f99709370657

tools/configure

@@ -1249,7 +1249,7 @@ EOF
     bmp2rb_remotenative="$rootdir/tools/bmp2rb -f 0"
     output="rockbox.iaudio"
     appextra="recorder:gui"
-    plugins="no"
+    plugins=""
     swcodec="yes"
     toolset="$tccbitmaptools"
     # architecture, manufacturer and model for the target-tree build
@@ -1269,7 +1269,7 @@ EOF
     bmp2rb_native="$rootdir/tools/bmp2rb -f 7"
     output="rockbox.iaudio"
     appextra="recorder:gui"
-    plugins="no"
+    plugins=""
     swcodec="yes"
     # toolset is the tools within the tools directory that we build for
     # this particular target.
@@ -1388,7 +1388,7 @@ EOF
     bmp2rb_native="$rootdir/tools/bmp2rb -f 0"
     output="rockbox.logik"
     appextra="recorder:gui"
-    plugins="no"
+    plugins=""
     swcodec="yes"
     # toolset is the tools within the tools directory that we build for
     # this particular target.