ASoC: rt5645: fix add missing widget

"IF1 DAC0" and "IF1 DAC3" are used in rt5645_dapm_routes but missing
in rt5645_dapm_widgets.

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/rt5645.c

@@ -1697,8 +1697,10 @@ static const struct snd_soc_dapm_widget rt5645_dapm_widgets[] = {
 	/* Digital Interface */
 	SND_SOC_DAPM_SUPPLY("I2S1", RT5645_PWR_DIG1,
 		RT5645_PWR_I2S1_BIT, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("IF1 DAC0", SND_SOC_NOPM, 0, 0, NULL, 0),
 	SND_SOC_DAPM_PGA("IF1 DAC1", SND_SOC_NOPM, 0, 0, NULL, 0),
 	SND_SOC_DAPM_PGA("IF1 DAC2", SND_SOC_NOPM, 0, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("IF1 DAC3", SND_SOC_NOPM, 0, 0, NULL, 0),
 	SND_SOC_DAPM_MUX("RT5645 IF1 DAC1 L Mux", SND_SOC_NOPM, 0, 0,
 		&rt5645_if1_dac0_tdm_sel_mux),
 	SND_SOC_DAPM_MUX("RT5645 IF1 DAC1 R Mux", SND_SOC_NOPM, 0, 0,