m68knommu: allow for configuration of true 68000 based systems

Allow the M68000 option to be user configurable, for systems based on
the original stand alone 68000 CPU.

Signed-off-by: Luis Alves <ljalvs@gmail.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
diff --git a/arch/m68k/Kconfig.cpu b/arch/m68k/Kconfig.cpu
index c4eb79e..aad3b0b 100644
--- a/arch/m68k/Kconfig.cpu
+++ b/arch/m68k/Kconfig.cpu
@@ -35,7 +35,7 @@
 if M68KCLASSIC
 
 config M68000
-	bool
+	bool "MC68000"
 	select CPU_HAS_NO_BITFIELDS
 	select CPU_HAS_NO_MULDIV64
 	select CPU_HAS_NO_UNALIGNED