mmc: atmel-sdhci: add sama7g5-sdhci compatibility string

Add new compatibility string for matching sama7g5 product.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
diff --git a/drivers/mmc/atmel_sdhci.c b/drivers/mmc/atmel_sdhci.c
index 0c53caf..f03c045 100644
--- a/drivers/mmc/atmel_sdhci.c
+++ b/drivers/mmc/atmel_sdhci.c
@@ -113,6 +113,7 @@
 static const struct udevice_id atmel_sdhci_ids[] = {
 	{ .compatible = "atmel,sama5d2-sdhci" },
 	{ .compatible = "microchip,sam9x60-sdhci" },
+	{ .compatible = "microchip,sama7g5-sdhci" },
 	{ }
 };