ASoC: Add missing default for WM5100 Clocking 1

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/wm5100-tables.c b/sound/soc/codecs/wm5100-tables.c
index 960617b..e9ce81a 100644
--- a/sound/soc/codecs/wm5100-tables.c
+++ b/sound/soc/codecs/wm5100-tables.c
@@ -794,6 +794,7 @@
 	[0x0030] = 0x0000,     /* R48    - PWM Drive 1 */
 	[0x0031] = 0x0100,     /* R49    - PWM Drive 2 */
 	[0x0032] = 0x0100,     /* R50    - PWM Drive 3 */
+	[0x0100] = 0x0002,     /* R256   - Clocking 1 */
 	[0x0101] = 0x0000,     /* R257   - Clocking 3 */
 	[0x0102] = 0x0011,     /* R258   - Clocking 4 */
 	[0x0103] = 0x0011,     /* R259   - Clocking 5 */