m68k/defconfig: Enable early printk support

Enable CONFIG_EARLY_PRINTK on all platforms where it's available (all
but Sun-3) and not yet enabled.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
diff --git a/arch/m68k/configs/amiga_defconfig b/arch/m68k/configs/amiga_defconfig
index 7163c01..8c2f781 100644
--- a/arch/m68k/configs/amiga_defconfig
+++ b/arch/m68k/configs/amiga_defconfig
@@ -500,6 +500,7 @@
 CONFIG_TEST_BPF=m
 CONFIG_TEST_FIRMWARE=m
 CONFIG_TEST_UDELAY=m
+CONFIG_EARLY_PRINTK=y
 CONFIG_ENCRYPTED_KEYS=m
 CONFIG_CRYPTO_MANAGER=y
 CONFIG_CRYPTO_USER=m