sh: i2c compile fix for kfr2r09

Fix the kfr2r09 board code so it compiles if CONFIG_I2C=n.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
index 1cbd6a3..1e2cb19 100644
--- a/arch/sh/boards/mach-kfr2r09/setup.c
+++ b/arch/sh/boards/mach-kfr2r09/setup.c
@@ -219,6 +219,7 @@
 #define BSC_CS4WCR 0xfec10030
 #define PORT_MSELCRB 0xa4050182
 
+#ifdef CONFIG_I2C
 static int kfr2r09_usb0_gadget_i2c_setup(void)
 {
 	struct i2c_adapter *a;
@@ -261,6 +262,12 @@
 
 	return 0;
 }
+#else
+static int kfr2r09_usb0_gadget_i2c_setup(void)
+{
+	return -ENODEV;
+}
+#endif
 
 static int kfr2r09_usb0_gadget_setup(void)
 {