media: stk1160: Use min macro

Instead of a custom min() implementation, use the real macro.

Mitigates the following cocci WARNINGs:
drivers/media/usb/stk1160/stk1160-video.c:133:12-13: WARNING opportunity for min()
drivers/media/usb/stk1160/stk1160-video.c:176:13-14: WARNING opportunity for min()

Link: https://lore.kernel.org/linux-media/20240429-fix-cocci-v3-19-3c4865f5a4b0@chromium.org
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

Author: ribalda

drivers/media/usb/stk1160/stk1160-video.c

@@ -130,10 +130,7 @@ void stk1160_copy_video(struct stk1160 *dev, u8 *src, int len)
 	dst += linesdone * bytesperline * 2 + lineoff;
 
 	/* Copy the remaining of current line */
-	if (remain < (bytesperline - lineoff))
-		lencopy = remain;
-	else
-		lencopy = bytesperline - lineoff;
+	lencopy = min(remain, bytesperline - lineoff);
 
 	/*
 	 * Check if we have enough space left in the buffer.
@@ -178,10 +175,7 @@ void stk1160_copy_video(struct stk1160 *dev, u8 *src, int len)
 		src += lencopy;
 
 		/* Copy one line at a time */
-		if (remain < bytesperline)
-			lencopy = remain;
-		else
-			lencopy = bytesperline;
+		lencopy = min(remain, bytesperline);
 
 		/*
 		 * Check if we have enough space left in the buffer.