ARM: imx: prepare for removal of flexcan_platform_data

As there are no imx in-tree users of flexcan_platform_data, this patch removes
the possibility to register a flexcan device with platform data.

The functionality to swith on/off CAN transceivers is added to DT via
regulators in a later patch.

Compile time tested with imx_v4_v5_defconfig and imx_v6_v7_defconfig.

Acked-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
diff --git a/arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c b/arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c
index 5a2d5ef..14d6c82 100644
--- a/arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c
+++ b/arch/arm/mach-imx/eukrea_mbimxsd35-baseboard.c
@@ -287,7 +287,7 @@
 
 	imx35_add_imx_ssi(0, &eukrea_mbimxsd_ssi_pdata);
 
-	imx35_add_flexcan1(NULL);
+	imx35_add_flexcan1();
 	imx35_add_sdhci_esdhc_imx(0, &sd1_pdata);
 
 	gpio_request(GPIO_LED1, "LED1");