clk: renesas: rzg2l: Fix typo in function name

Fix typo, rzg2l_mod_clock__get_sibling -> rzg2l_mod_clock_get_sibling
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220921080051.5604-1-prabhakar.mahadev-lad.rj@bp.renesas.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

drivers/clk/renesas/rzg2l-cpg.c

@@ -1014,8 +1014,8 @@ static const struct clk_ops rzg2l_mod_clock_ops = {
 };
 
 static struct mstp_clock
-*rzg2l_mod_clock__get_sibling(struct mstp_clock *clock,
-			      struct rzg2l_cpg_priv *priv)
+*rzg2l_mod_clock_get_sibling(struct mstp_clock *clock,
+			     struct rzg2l_cpg_priv *priv)
 {
 	struct clk_hw *hw;
 	unsigned int i;
@@ -1101,7 +1101,7 @@ rzg2l_cpg_register_mod_clk(const struct rzg2l_mod_clk *mod,
 		struct mstp_clock *sibling;
 
 		clock->enabled = rzg2l_mod_clock_is_enabled(&clock->hw);
-		sibling = rzg2l_mod_clock__get_sibling(clock, priv);
+		sibling = rzg2l_mod_clock_get_sibling(clock, priv);
 		if (sibling) {
 			clock->sibling = sibling;
 			sibling->sibling = clock;