soc/intel/cannonlake: Use SCS common code

This patch uses common SCS library to set up sd card.

Change-Id: I7978bebaeba3a04fbfd01b3a5e5a37af61d2f4ce
Signed-off-by: Bora Guvendik <bora.guvendik@intel.com>
Reviewed-on: https://review.coreboot.org/21604
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/soc/intel/cannonlake/chip.h

@@ -21,6 +21,8 @@
 #include <intelblocks/gspi.h>
 #include <stdint.h>
 #include <soc/pch.h>
+#include <soc/gpio_defs.h>
+#include <soc/pci_devs.h>
 #include <soc/serialio.h>
 #include <soc/usb.h>
 #include <soc/vr_config.h>
@@ -245,6 +247,9 @@ struct soc_intel_cannonlake_config {
 	 * PchSerialIoHidden
 	 */
 	uint8_t SerialIoDevMode[PchSerialIoIndexMAX];
+
+	/* GPIO SD card detect pin */
+	unsigned int sdcard_cd_gpio;
 };
 
 typedef struct soc_intel_cannonlake_config config_t;