iommu/ipmmu-vmsa: Fix compatible for rcar-gen4

Fix compatible string for R-Car Gen4.

Fixes: ae684caf ("iommu/ipmmu-vmsa: Add support for R-Car Gen4")
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20220617010107.3229784-1-yoshihiro.shimoda.uh@renesas.comSigned-off-by: Joerg Roedel <jroedel@suse.de>

drivers/iommu/ipmmu-vmsa.c

@@ -987,7 +987,7 @@ static const struct of_device_id ipmmu_of_ids[] = {
 		.compatible = "renesas,ipmmu-r8a779a0",
 		.data = &ipmmu_features_rcar_gen4,
 	}, {
-		.compatible = "renesas,rcar-gen4-ipmmu",
+		.compatible = "renesas,rcar-gen4-ipmmu-vmsa",
 		.data = &ipmmu_features_rcar_gen4,
 	}, {
 		/* Terminator */