clk: imx: avoid memory leak

In case imx_register_uart_clocks return early, the imx_uart_clocks
memory will be no freed. So execute kfree always to avoid memory leak.

Fixes: 379c9a24cc ("clk: imx: Fix reparenting of UARTs not associated with stdout")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20230104110032.1220721-2-peng.fan@oss.nxp.com

drivers/clk/imx/clk.c

@@ -205,9 +205,10 @@ static int __init imx_clk_disable_uart(void)
 			clk_disable_unprepare(imx_uart_clocks[i]);
 			clk_put(imx_uart_clocks[i]);
 		}
-		kfree(imx_uart_clocks);
 	}
 
+	kfree(imx_uart_clocks);
+
 	return 0;
 }
 late_initcall_sync(imx_clk_disable_uart);