MX2: Add SDHC platform_devices and resources

Signed-of-by: Julien Boibessot <julien.boibessot@armadeus.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

arch/arm/mach-mx2/devices.h

@@ -18,3 +18,5 @@ extern struct platform_device mxc_fec_device;
 extern struct platform_device mxc_pwm_device;
 extern struct platform_device mxc_i2c_device0;
 extern struct platform_device mxc_i2c_device1;
+extern struct platform_device mxc_sdhc_device0;
+extern struct platform_device mxc_sdhc_device1;