implement mainboard_get_spi_config wip

Signed-off-by: Filip Lewiński <[email protected]>

src/soc/intel/baytrail/southcluster.c

@@ -765,6 +765,13 @@ int __weak mainboard_get_spi_config(struct spi_config *cfg)
 	return -1;
 }
 
+int mainboard_get_spi_config(struct spi_config *cfg)
+{
+	memcpy(cfg, &spi_config, sizeof(*cfg));
+
+	return 0;
+}
+
 static void finalize_chipset(void *unused)
 {
 	void *bcr = (void *)(SPI_BASE_ADDRESS + BCR);