clk: meson: audio-divider is one based

The audio divider is one based. This offset was mistakenly dropped from
recalc_rate() when migrating to clk_regmap.

Fixes: 88a4e128 ("clk: meson: migrate the audio divider clock to clk_regmap")
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>

drivers/clk/meson/clk-audio-divider.c

@@ -51,7 +51,7 @@ static unsigned long audio_divider_recalc_rate(struct clk_hw *hw,
 	struct meson_clk_audio_div_data *adiv = meson_clk_audio_div_data(clk);
 	unsigned long divider;
 
-	divider = meson_parm_read(clk->map, &adiv->div);
+	divider = meson_parm_read(clk->map, &adiv->div) + 1;
 
 	return DIV_ROUND_UP_ULL((u64)parent_rate, divider);
 }