clk: imx: Remove __init for imx_obtain_fixed_clk_hw() API

Some of i.MX SoCs' clock driver will use platform driver model,
and they need to call imx_obtain_fixed_clk_hw() API, so
imx_obtain_fixed_clk_hw() API should NOT be in .init section.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

drivers/clk/imx/clk.c

@@ -102,8 +102,8 @@ struct clk_hw * __init imx_obtain_fixed_clock_hw(
 	return __clk_get_hw(clk);
 }
 
-struct clk_hw * __init imx_obtain_fixed_clk_hw(struct device_node *np,
-					       const char *name)
+struct clk_hw * imx_obtain_fixed_clk_hw(struct device_node *np,
+					const char *name)
 {
 	struct clk *clk;