uwb: fix brace coding style issue in drp-ie.c

The coding style doesn't use braces if a single statment will do. In
this case we can get rid of the braces.
Signed-off-by: Hugh Sipière <hgsipiere@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/uwb/drp-ie.c

@@ -128,9 +128,8 @@ static struct uwb_ie_drp *uwb_drp_ie_alloc(void)
 	drp_ie = kzalloc(sizeof(struct uwb_ie_drp) +
 			UWB_NUM_ZONES * sizeof(struct uwb_drp_alloc),
 			GFP_KERNEL);
-	if (drp_ie) {
+	if (drp_ie)
 		drp_ie->hdr.element_id = UWB_IE_DRP;
-	}
 	return drp_ie;
 }