x86: merge EARLY_PRINTK options

This patch merges the x86_64 EARLY_PRINTK option into the i386 one.

Signed-off-by: Adrian Bunk <bunk@kernel.org>

arch/x86/Kconfig.debug

@@ -6,9 +6,8 @@ config TRACE_IRQFLAGS_SUPPORT
 source "lib/Kconfig.debug"
 
 config EARLY_PRINTK
-	bool "Early printk" if EMBEDDED && DEBUG_KERNEL
+	bool "Early printk" if EMBEDDED && DEBUG_KERNEL && X86_32
 	default y
-	depends on X86_32
 	help
 	  Write kernel log output directly into the VGA buffer or to a serial
 	  port.