clk: imx: Reference preceded by free

When register failed, clk will be freed, it will generate dangling pointer
problem in later reference. it should return directly.

Signed-off-by: Jian Dong <[e-mail]>
Signed-off-by: Abel Vesa <[e-mail]>

drivers/clk/imx/clk-lpcg-scu.c

···
 	if (ret) {
 		kfree(clk);
 		hw = ERR_PTR(ret);
+		return hw;
 	}
 
 	if (dev)

drivers/clk/imx/clk-scu.c

···
 	if (ret) {
 		kfree(clk);
 		hw = ERR_PTR(ret);
+		return hw;
 	}
 
 	if (dev)