mfd: t7l66xb: Remove unnecessary pdata check

 o Making pdata NULL check to (!pdata) as coding standard
	and all other checks in file.
 o Removing redundant check of pdata, because we already
	check for pdata, and also derefernced before this check.

Signed-off-by: Maninder Singh <maninder1.s@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
diff --git a/drivers/mfd/t7l66xb.c b/drivers/mfd/t7l66xb.c
index c09fb5d..854b05f 100644
--- a/drivers/mfd/t7l66xb.c
+++ b/drivers/mfd/t7l66xb.c
@@ -318,7 +318,7 @@
 	struct resource *iomem, *rscr;
 	int ret;
 
-	if (pdata == NULL)
+	if (!pdata)
 		return -EINVAL;
 
 	iomem = platform_get_resource(dev, IORESOURCE_MEM, 0);
@@ -371,7 +371,7 @@
 
 	clk_prepare_enable(t7l66xb->clk48m);
 
-	if (pdata && pdata->enable)
+	if (pdata->enable)
 		pdata->enable(dev);
 
 	/* Mask all interrupts */