rtc: mt6359: Add mt6357 support

The MT6357 PMIC contains the same RTC as MT6358 which allows to add
support for it trivially by just complementing the list of compatibles.

Signed-off-by: Alexandre Mergnat <amergnat@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Tested-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://lore.kernel.org/r/20250428-rtc-mt6357-v1-1-31f673b0a723@baylibre.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

Author: amergnat

drivers/rtc/rtc-mt6397.c

@@ -332,6 +332,7 @@ static const struct mtk_rtc_data mt6397_rtc_data = {
 
 static const struct of_device_id mt6397_rtc_of_match[] = {
 	{ .compatible = "mediatek,mt6323-rtc", .data = &mt6397_rtc_data },
+	{ .compatible = "mediatek,mt6357-rtc", .data = &mt6358_rtc_data },
 	{ .compatible = "mediatek,mt6358-rtc", .data = &mt6358_rtc_data },
 	{ .compatible = "mediatek,mt6397-rtc", .data = &mt6397_rtc_data },
 	{ }