m68k/mvme16x: Add support for EARLY_PRINTK

Added support for EARLY_PRINTK when running on an MVME16x board.

Signed-off-by: Kars de Jong <jongk@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>

arch/m68k/Kconfig.debug

@@ -2,6 +2,17 @@ menu "Kernel hacking"
 
 source "lib/Kconfig.debug"
 
+config EARLY_PRINTK
+	bool "Early printk" if EMBEDDED
+	depends on MVME16x
+	default y
+	help
+          Write kernel log output directly to a serial port.
+
+          This is useful for kernel debugging when your machine crashes very
+          early before the console code is initialized.
+          You should normally say N here, unless you want to debug such a crash.
+
 if !MMU
 
 config FULLDEBUG