kernel-hacking: create submenu for arch special debugging options

The arch special options are a little long, so create a submenu for
them.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Changbin Du <[email protected]>
Acked-by: Randy Dunlap <[email protected]>
Tested-by: Randy Dunlap <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

Author: changbindu

lib/Kconfig.debug

@@ -2158,8 +2158,12 @@ config IO_STRICT_DEVMEM
 
 	  If in doubt, say Y.
 
+menu "$(SRCARCH) Debugging"
+
 source "arch/$(SRCARCH)/Kconfig.debug"
 
+endmenu
+
 config HYPERV_TESTING
 	bool "Microsoft Hyper-V driver testing"
 	default n