clk: s2mps11: use clkdev_create()

clkdev_create() is a shorter way to write clkdev_alloc() followed by
clkdev_add().  Use this instead.
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

drivers/clk/clk-s2mps11.c

@@ -242,14 +242,12 @@ static int s2mps11_clk_probe(struct platform_device *pdev)
 			goto err_reg;
 		}
 
-		s2mps11_clk->lookup = clkdev_alloc(s2mps11_clk->clk,
+		s2mps11_clk->lookup = clkdev_create(s2mps11_clk->clk,
 					s2mps11_name(s2mps11_clk), NULL);
 		if (!s2mps11_clk->lookup) {
 			ret = -ENOMEM;
 			goto err_lup;
 		}
-
-		clkdev_add(s2mps11_clk->lookup);
 	}
 
 	for (i = 0; i < S2MPS11_CLKS_NUM; i++) {