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/Kconfig

@@ -59,6 +59,7 @@ config CPU_SPECIFIC_OPTIONS
 	select SOC_INTEL_COMMON_BLOCK_PMC
 	select SOC_INTEL_COMMON_BLOCK_RTC
 	select SOC_INTEL_COMMON_BLOCK_SA
+	select SOC_INTEL_COMMON_BLOCK_SCS
 	select SOC_INTEL_COMMON_BLOCK_SMBUS
 	select SOC_INTEL_COMMON_BLOCK_SMM
 	select SOC_INTEL_COMMON_BLOCK_SMM_IO_TRAP