ARM: imx: dynamically allocate imx21-hcd devices

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
diff --git a/arch/arm/mach-imx/devices-imx21.h b/arch/arm/mach-imx/devices-imx21.h
index 0c0eab1..16744d2 100644
--- a/arch/arm/mach-imx/devices-imx21.h
+++ b/arch/arm/mach-imx/devices-imx21.h
@@ -9,6 +9,10 @@
 #include <mach/mx21.h>
 #include <mach/devices-common.h>
 
+extern const struct imx_imx21_hcd_data imx21_imx21_hcd_data __initconst;
+#define imx21_add_imx21_hcd(pdata)	\
+	imx_add_imx21_hcd(&imx21_imx21_hcd_data, pdata)
+
 extern const struct imx_imx2_wdt_data imx21_imx2_wdt_data __initconst;
 #define imx21_add_imx2_wdt(pdata)	\
 	imx_add_imx2_wdt(&imx21_imx2_wdt_data)