mfd: ab8500: Drop bm disable parameter

Nobody is passing the module parameter to disable the
battery management portions so just drop this parameter.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

drivers/mfd/ab8500-core.c

@@ -120,12 +120,6 @@
 static DEFINE_SPINLOCK(on_stat_lock);
 static u8 turn_on_stat_mask = 0xFF;
 static u8 turn_on_stat_set;
-static bool no_bm; /* No battery management */
-/*
- * not really modular, but the easiest way to keep compat with existing
- * bootargs behaviour is to continue using module_param here.
- */
-module_param(no_bm, bool, S_IRUGO);
 
 #define AB9540_MODEM_CTRL2_REG			0x23
 #define AB9540_MODEM_CTRL2_SWDBBRSTN_BIT	BIT(2)
@@ -1254,14 +1248,12 @@ static int ab8500_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	if (!no_bm) {
-		/* Add battery management devices */
-		ret = mfd_add_devices(ab8500->dev, 0, ab8500_bm_devs,
-				      ARRAY_SIZE(ab8500_bm_devs), NULL,
-				      0, ab8500->domain);
-		if (ret)
-			dev_err(ab8500->dev, "error adding bm devices\n");
-	}
+	/* Add battery management devices */
+	ret = mfd_add_devices(ab8500->dev, 0, ab8500_bm_devs,
+			      ARRAY_SIZE(ab8500_bm_devs), NULL,
+			      0, ab8500->domain);
+	if (ret)
+		dev_err(ab8500->dev, "error adding bm devices\n");
 
 	if (((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
 			ab8500->chip_id >= AB8500_CUT2P0) || is_ab8540(ab8500))