ARM: imx: remove unused pdata from device macros

Many imx device macros have a meaningless pdata. This patch removes those.

Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: <linux-arm-kernel@lists.infradead.org>
Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/arch/arm/mach-imx/mach-mx53_evk.c b/arch/arm/mach-imx/mach-mx53_evk.c
index 5a72188..a1060b2 100644
--- a/arch/arm/mach-imx/mach-mx53_evk.c
+++ b/arch/arm/mach-imx/mach-mx53_evk.c
@@ -154,7 +154,7 @@
 	spi_register_board_info(mx53_evk_spi_board_info,
 		ARRAY_SIZE(mx53_evk_spi_board_info));
 	imx53_add_ecspi(0, &mx53_evk_spi_data);
-	imx53_add_imx2_wdt(0, NULL);
+	imx53_add_imx2_wdt(0);
 	gpio_led_register_device(-1, &mx53evk_leds_data);
 }