soc: renesas: rcar-rst: Add support for R-Car S4-8

Add support for R-Car S4-8 (R8A779F0) to the R-Car RST driver.
The register map of R-Car S4-8 is the same as R-Car V3U so that
renames "V3U" and "r8a779a0" to "Gen4".
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20211201073308.1003945-11-yoshihiro.shimoda.uh@renesas.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

drivers/soc/renesas/rcar-rst.c

@@ -66,7 +66,7 @@ static const struct rst_config rcar_rst_gen3 __initconst = {
 	.set_rproc_boot_addr = rcar_rst_set_gen3_rproc_boot_addr,
 };
 
-static const struct rst_config rcar_rst_r8a779a0 __initconst = {
+static const struct rst_config rcar_rst_gen4 __initconst = {
 	.modemr = 0x00,		/* MODEMR0 and it has CPG related bits */
 };
 
@@ -100,8 +100,9 @@ static const struct of_device_id rcar_rst_matches[] __initconst = {
 	{ .compatible = "renesas,r8a77980-rst", .data = &rcar_rst_gen3 },
 	{ .compatible = "renesas,r8a77990-rst", .data = &rcar_rst_gen3 },
 	{ .compatible = "renesas,r8a77995-rst", .data = &rcar_rst_gen3 },
-	/* R-Car V3U */
-	{ .compatible = "renesas,r8a779a0-rst", .data = &rcar_rst_r8a779a0 },
+	/* R-Car Gen4 */
+	{ .compatible = "renesas,r8a779a0-rst", .data = &rcar_rst_gen4 },
+	{ .compatible = "renesas,r8a779f0-rst", .data = &rcar_rst_gen4 },
 	{ /* sentinel */ }
 };