auxdisplay: make PANEL a menuconfig

This change makes xconfig present the PANEL drivers immediately
following the AUXDISPLAY drivers instead of under the major menu
item "Device Drivers". It also unclutters the Device Drivers menu in
nconfig and menuconfig by moving the PANEL drivers to a sub-menu.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>

drivers/auxdisplay/Kconfig

@@ -166,7 +166,7 @@ config ARM_CHARLCD
 
 endif # AUXDISPLAY
 
-config PANEL
+menuconfig PANEL
 	tristate "Parallel port LCD/Keypad Panel support"
 	depends on PARPORT
 	select CHARLCD