cpufreq: dt: Add support for r8a7792

Add the compatible string for supporting the generic cpufreq driver on
the Renesas R-Car V2H (r8a7792) SoC.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c b/drivers/cpufreq/cpufreq-dt-platdev.c
index 285ed3e..276378a 100644
--- a/drivers/cpufreq/cpufreq-dt-platdev.c
+++ b/drivers/cpufreq/cpufreq-dt-platdev.c
@@ -52,6 +52,7 @@
 	{ .compatible = "renesas,r8a7779", },
 	{ .compatible = "renesas,r8a7790", },
 	{ .compatible = "renesas,r8a7791", },
+	{ .compatible = "renesas,r8a7792", },
 	{ .compatible = "renesas,r8a7793", },
 	{ .compatible = "renesas,r8a7794", },
 	{ .compatible = "renesas,sh73a0", },