ASoC: max98095: Single bit bitfields should be unsigned

There's no space for the sign bit.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

include/sound/max98095.h

@@ -55,7 +55,7 @@ struct max98095_pdata {
 	 * 0 = PIN5 not supported
 	 * 1 = PIN5 supported
 	 */
-	int jack_detect_pin5en:1;
+	unsigned int jack_detect_pin5en:1;
 
 	/* Slew amount for jack detection. Calculated as 4 * (delay + 1).
 	 * Default delay is 24 to get a time of 100ms.