ASoC: mediatek: mt2701: Fix -Wunused-const-variable warnings

sound/soc/mediatek/mt2701/mt2701-afe-common.h:66:27: warning:
 mt2701_afe_backup_list defined but not used [-Wunused-const-variable=]

mt2701_afe_backup_list is only used in mt2701-afe-pcm.c,
so just move the definition over there.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20190822143747.20944-1-yuehaibing@huawei.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/mediatek/mt2701/mt2701-afe-common.h

@@ -63,27 +63,6 @@ enum audio_base_clock {
 	MT2701_BASE_CLK_NUM,
 };
 
-static const unsigned int mt2701_afe_backup_list[] = {
-	AUDIO_TOP_CON0,
-	AUDIO_TOP_CON4,
-	AUDIO_TOP_CON5,
-	ASYS_TOP_CON,
-	AFE_CONN0,
-	AFE_CONN1,
-	AFE_CONN2,
-	AFE_CONN3,
-	AFE_CONN15,
-	AFE_CONN16,
-	AFE_CONN17,
-	AFE_CONN18,
-	AFE_CONN19,
-	AFE_CONN20,
-	AFE_CONN21,
-	AFE_CONN22,
-	AFE_DAC_CON0,
-	AFE_MEMIF_PBUF_SIZE,
-};
-
 struct mt2701_i2s_data {
 	int i2s_ctrl_reg;
 	int i2s_asrc_fs_shift;

sound/soc/mediatek/mt2701/mt2701-afe-pcm.c

@@ -60,6 +60,27 @@ static const struct mt2701_afe_rate mt2701_afe_i2s_rates[] = {
 	{ .rate = 352800, .regvalue = 24 },
 };
 
+static const unsigned int mt2701_afe_backup_list[] = {
+	AUDIO_TOP_CON0,
+	AUDIO_TOP_CON4,
+	AUDIO_TOP_CON5,
+	ASYS_TOP_CON,
+	AFE_CONN0,
+	AFE_CONN1,
+	AFE_CONN2,
+	AFE_CONN3,
+	AFE_CONN15,
+	AFE_CONN16,
+	AFE_CONN17,
+	AFE_CONN18,
+	AFE_CONN19,
+	AFE_CONN20,
+	AFE_CONN21,
+	AFE_CONN22,
+	AFE_DAC_CON0,
+	AFE_MEMIF_PBUF_SIZE,
+};
+
 static int mt2701_dai_num_to_i2s(struct mtk_base_afe *afe, int num)
 {
 	struct mt2701_afe_private *afe_priv = afe->platform_priv;