[PATCH 2/4] fix celleb sio section warning

[Ishizaki Kou]

Fix following warning:
WARNING: vmlinux.o(.text+0x45fd4): Section mismatch: reference to .init.text:.early_serial_txx9_setup (between '.txx9_serial_init' and '.txx9_serial_config')

Signed-off-by: Kou Ishizaki <kou.ishizaki at toshiba.co.jp>
---

Index: linux-powerpc-git/arch/powerpc/platforms/celleb/scc_sio.c
===================================================================
--- linux-powerpc-git.orig/arch/powerpc/platforms/celleb/scc_sio.c
+++ linux-powerpc-git/arch/powerpc/platforms/celleb/scc_sio.c
@@ -39,7 +39,7 @@ static struct {
 	{ 0x800, 1 }	/* 0xFF2800 */
 };
 
-static int txx9_serial_init(void)
+static int __init txx9_serial_init(void)
 {
 	extern int early_serial_txx9_setup(struct uart_port *port);
 	struct device_node *node;