clk: rockchip: fix of spelling mistake on unsuccessful in pll clock type

fix spelling mistake, unsucessful -> unsuccessful
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

drivers/clk/rockchip/clk-pll.c

@@ -236,7 +236,7 @@ static int rockchip_rk3036_pll_set_params(struct rockchip_clk_pll *pll,
 	/* wait for the pll to lock */
 	ret = rockchip_pll_wait_lock(pll);
 	if (ret) {
-		pr_warn("%s: pll update unsucessful, trying to restore old params\n",
+		pr_warn("%s: pll update unsuccessful, trying to restore old params\n",
 			__func__);
 		rockchip_rk3036_pll_set_params(pll, &cur);
 	}
@@ -475,7 +475,7 @@ static int rockchip_rk3066_pll_set_params(struct rockchip_clk_pll *pll,
 	/* wait for the pll to lock */
 	ret = rockchip_pll_wait_lock(pll);
 	if (ret) {
-		pr_warn("%s: pll update unsucessful, trying to restore old params\n",
+		pr_warn("%s: pll update unsuccessful, trying to restore old params\n",
 			__func__);
 		rockchip_rk3066_pll_set_params(pll, &cur);
 	}