clk: mediatek: clk-pllfh: Export register/unregister/parse functions

These functions are used by the various MediaTek apmixed clock drivers
that may be built as modules: export the common functions used to parse
related devicetree properties, register and unregister the PLLFH clocks.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230206100105.861720-3-angelogioacchino.delregno@collabora.comReviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

drivers/clk/mediatek/clk-pllfh.c

@@ -103,6 +103,7 @@ void fhctl_parse_dt(const u8 *compatible_node, struct mtk_pllfh_data *pllfhs,
 		pllfh->state.base = base;
 	}
 }
+EXPORT_SYMBOL_GPL(fhctl_parse_dt);
 
 static int pllfh_init(struct mtk_fh *fh, struct mtk_pllfh_data *pllfh_data)
 {
@@ -247,6 +248,7 @@ int mtk_clk_register_pllfhs(struct device_node *node,
 
 	return PTR_ERR(hw);
 }
+EXPORT_SYMBOL_GPL(mtk_clk_register_pllfhs);
 
 void mtk_clk_unregister_pllfhs(const struct mtk_pll_data *plls, int num_plls,
 			       struct mtk_pllfh_data *pllfhs, int num_fhs,
@@ -286,3 +288,4 @@ void mtk_clk_unregister_pllfhs(const struct mtk_pll_data *plls, int num_plls,
 
 	iounmap(base);
 }
+EXPORT_SYMBOL_GPL(mtk_clk_unregister_pllfhs);