ARM: imx: dynamically register imx-i2c devices (generic part)

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
diff --git a/arch/arm/plat-mxc/devices/Kconfig b/arch/arm/plat-mxc/devices/Kconfig
index 09e91dd..c50a7d6 100644
--- a/arch/arm/plat-mxc/devices/Kconfig
+++ b/arch/arm/plat-mxc/devices/Kconfig
@@ -1,2 +1,5 @@
+config IMX_HAVE_PLATFORM_IMX_I2C
+	bool
+
 config IMX_HAVE_PLATFORM_MXC_NAND
 	bool