clk: starfive: jh7110-pll: Mark the probe function as __init

Mark the jh7110_pll_probe function as __init.

There's no need to support hotplugging in the jh7110-pll driver. We use
builtin_platform_driver_probe, the probe function will only be called at
startup.

Signed-off-by: Changhuang Liang <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Reviewed-by: Emil Renner Berthing <[e-mail]>
Reviewed-by: Xingyu Wu <[e-mail]>
Signed-off-by: Stephen Boyd <[e-mail]>

drivers/clk/starfive/clk-starfive-jh7110-pll.c

···
 	return ERR_PTR(-EINVAL);
 }
 
-static int jh7110_pll_probe(struct platform_device *pdev)
+static int __init jh7110_pll_probe(struct platform_device *pdev)
 {
 	struct jh7110_pll_priv *priv;
 	unsigned int idx;