power: supply: wm831x_power: fix spelling mistake on function name

There is a spelling mistake in the name wm831x_battey_apply_config,
fix it.

Signed-off-by: Colin Ian King <[e-mail]>
Acked-by: Charles Keepax <[e-mail]>
Signed-off-by: Sebastian Reichel <[e-mail]>

drivers/power/supply/wm831x_power.c

···
 	{ 510, 15 << WM831X_CHG_TIME_SHIFT },
 };
 
-static void wm831x_battey_apply_config(struct wm831x *wm831x,
+static void wm831x_battery_apply_config(struct wm831x *wm831x,
 				       struct chg_map *map, int count, int val,
 				       int *reg, const char *name,
 				       const char *units)
···
 	if (pdata->fast_enable)
 		reg1 |= WM831X_CHG_FAST;
 
-	wm831x_battey_apply_config(wm831x, trickle_ilims,
+	wm831x_battery_apply_config(wm831x, trickle_ilims,
 				   ARRAY_SIZE(trickle_ilims),
 				   pdata->trickle_ilim, &reg2,
 				   "trickle charge current limit", "mA");
 
-	wm831x_battey_apply_config(wm831x, vsels, ARRAY_SIZE(vsels),
+	wm831x_battery_apply_config(wm831x, vsels, ARRAY_SIZE(vsels),
 				   pdata->vsel, &reg2,
 				   "target voltage", "mV");
 
-	wm831x_battey_apply_config(wm831x, fast_ilims, ARRAY_SIZE(fast_ilims),
+	wm831x_battery_apply_config(wm831x, fast_ilims, ARRAY_SIZE(fast_ilims),
 				   pdata->fast_ilim, &reg2,
 				   "fast charge current limit", "mA");
 
-	wm831x_battey_apply_config(wm831x, eoc_iterms, ARRAY_SIZE(eoc_iterms),
+	wm831x_battery_apply_config(wm831x, eoc_iterms, ARRAY_SIZE(eoc_iterms),
 				   pdata->eoc_iterm, &reg1,
 				   "end of charge current threshold", "mA");
 
-	wm831x_battey_apply_config(wm831x, chg_times, ARRAY_SIZE(chg_times),
+	wm831x_battery_apply_config(wm831x, chg_times, ARRAY_SIZE(chg_times),
 				   pdata->timeout, &reg2,
 				   "charger timeout", "min");