{drivers,southbridge}: Replace min() with MIN()

This is to remove min/max() from <stdlib.h>.

Change-Id: Ica03d9aec8a81f57709abcac655dfb0ebce3f8c6
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37818
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/drivers/spi/spi-generic.c

@@ -13,9 +13,9 @@
  */
 
 #include <assert.h>
+#include <commonlib/helpers.h>
 #include <spi-generic.h>
 #include <stddef.h>
-#include <stdlib.h>
 #include <string.h>
 
 int spi_claim_bus(const struct spi_slave *slave)
@@ -113,7 +113,7 @@ unsigned int spi_crop_chunk(const struct spi_slave *slave, unsigned int cmd_len,
 	if (deduct_cmd_len && (ctrlr_max > cmd_len))
 		ctrlr_max -= cmd_len;
 
-	return min(ctrlr_max, buf_len);
+	return MIN(ctrlr_max, buf_len);
 }
 
 void __weak spi_init(void)