[POWERPC] Use menuconfig objects II - Macintosh

Make a "menuconfig" out of the Kconfig objects "menu, ..., endmenu",
so that the user can disable all the options in that menu at once
instead of having to disable each option separately.

Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>

drivers/macintosh/Kconfig

@@ -1,6 +1,10 @@
 
-menu "Macintosh device drivers"
+menuconfig MACINTOSH_DRIVERS
+	bool "Macintosh device drivers"
 	depends on PPC || MAC || X86
+	default y
+
+if MACINTOSH_DRIVERS
 
 config ADB
 	bool "Apple Desktop Bus (ADB) support"
@@ -236,4 +240,4 @@ config PMAC_RACKMETER
 	  This driver procides some support to control the front panel
           blue LEDs "vu-meter" of the XServer macs.
 
-endmenu
+endif # MACINTOSH_DRIVERS