mfd: wm5102: Update register patch

Update the register patch based on latest evaluation of the device.
Signed-off-by: NCharles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

drivers/mfd/wm5102-tables.c

@@ -73,6 +73,7 @@ static const struct reg_default wm5102_revb_patch[] = {
 	{ 0x171, 0x0000 },
 	{ 0x35E, 0x000C },
 	{ 0x2D4, 0x0000 },
+	{ 0x4DC, 0x0900 },
 	{ 0x80, 0x0000 },
 };