sh: early_printk tidying.

setup_early_printk() can be static, and with that, we can kill off
the early initialization variable and move the CON_BOOT check in
to the function body.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/kernel/early_printk.c

@@ -3,7 +3,7 @@
  *
  *  Copyright (C) 1999, 2000  Niibe Yutaka
  *  Copyright (C) 2002  M. R. Brown
- *  Copyright (C) 2004 - 2006  Paul Mundt
+ *  Copyright (C) 2004 - 2007  Paul Mundt
  *
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
@@ -73,8 +73,6 @@ static struct console bios_console = {
 #define EPK_FIFO_BITS (0x1f00 >> 8)
 #endif
 
-
-
 static struct uart_port scif_port = {
 	.mapbase	= CONFIG_EARLY_SCIF_CONSOLE_PORT,
 	.membase	= (char __iomem *)CONFIG_EARLY_SCIF_CONSOLE_PORT,
@@ -192,17 +190,12 @@ static struct console *early_console =
 #endif
 	;
 
-static int __initdata keep_early;
-static int early_console_initialized;
-
-int __init setup_early_printk(char *buf)
+static int __init setup_early_printk(char *buf)
 {
-	if (!buf)
-		return 0;
+	int keep_early = 0;
 
-	if (early_console_initialized)
+	if (!buf)
 		return 0;
-	early_console_initialized = 1;
 
 	if (strstr(buf, "keep"))
 		keep_early = 1;