[...]

+
+static const struct of_device_id msdc_of_ids[] = {
+       { .compatible = "mediatek,mt8135-mmc", .data = &mt8135_compat},
+       { .compatible = "mediatek,mt8173-mmc", .data = &mt8173_compat},
+       { .compatible = "mediatek,mt2701-mmc", .data = &mt2701_compat},
+       { .compatible = "mediatek,mt2712-mmc", .data = &mt2712_compat},
+       {}
+};
+MODULE_DEVICE_TABLE(of, msdc_of_ids);

As already stated in the other reply. These new compatible changes
needs to be discussed and acked before the driver starts using them.

In other words, make patch3 to precede this one.

[...]

Kind regards
Uffe