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-cpuimx51sd.c b/arch/arm/mach-imx/mach-cpuimx51sd.c
index 2e3243e..8567b30 100644
--- a/arch/arm/mach-imx/mach-cpuimx51sd.c
+++ b/arch/arm/mach-imx/mach-cpuimx51sd.c
@@ -293,7 +293,7 @@
 
 	imx51_add_imx_uart(0, &uart_pdata);
 	imx51_add_mxc_nand(&eukrea_cpuimx51sd_nand_board_info);
-	imx51_add_imx2_wdt(0, NULL);
+	imx51_add_imx2_wdt(0);
 
 	gpio_request(ETH_RST, "eth_rst");
 	gpio_set_value(ETH_RST, 1);