arch/m68k: remove CONFIG_EXPERIMENTAL

This config item has not carried much meaning for a while now and is
almost always enabled by default. As agreed during the Linux kernel
summit, remove it.

CC: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>

arch/m68k/Kconfig.debug

@@ -41,7 +41,7 @@ config NO_KERNEL_MSG
 
 config BDM_DISABLE
 	bool "Disable BDM signals"
-	depends on (EXPERIMENTAL && COLDFIRE)
+	depends on COLDFIRE
 	help
 	  Disable the ColdFire CPU's BDM signals.