cosmetic: replace MIN, MAX with min, max

The macro MIN, MAX is defined as the aliase of min, max,
respectively.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
diff --git a/drivers/dma/fsl_dma.c b/drivers/dma/fsl_dma.c
index 45e49c7..7ef7f12 100644
--- a/drivers/dma/fsl_dma.c
+++ b/drivers/dma/fsl_dma.c
@@ -96,7 +96,7 @@
 	uint xfer_size;
 
 	while (count) {
-		xfer_size = MIN(FSL_DMA_MAX_SIZE, count);
+		xfer_size = min(FSL_DMA_MAX_SIZE, count);
 
 		out_dma32(&dma->dar, (u32) (dest & 0xFFFFFFFF));
 		out_dma32(&dma->sar, (u32) (src & 0xFFFFFFFF));