pinctrl: mediatek: Add debounce times for MT6878

MT6878 uses different debounce times than other SoCs. Add them to the
EINT driver.

Reviewed-by: AngeloGioacchino Del Regno <[e-mail]>
Signed-off-by: Igor Belwon <[e-mail]>
Signed-off-by: Linus Walleij <[e-mail]>

drivers/pinctrl/mediatek/mtk-eint.c

···
 };
 EXPORT_SYMBOL_GPL(debounce_time_mt6795);
 
+const unsigned int debounce_time_mt6878[] = {
+	156, 313, 625, 1250, 20000, 40000, 80000, 160000, 320000, 640000, 0
+};
+EXPORT_SYMBOL_GPL(debounce_time_mt6878);
+
 static void __iomem *mtk_eint_get_offset(struct mtk_eint *eint,
 					 unsigned int eint_num,
 					 unsigned int offset)

drivers/pinctrl/mediatek/mtk-eint.h

···
 extern const unsigned int debounce_time_mt2701[];
 extern const unsigned int debounce_time_mt6765[];
 extern const unsigned int debounce_time_mt6795[];
+extern const unsigned int debounce_time_mt6878[];
 
 struct mtk_eint;