hwrng: exynos - Enable Exynos850 support

Add Exynos850 compatible and its driver data. It's only possible to
access TRNG block via SMC calls in Exynos850, so specify that fact using
EXYNOS_SMC flag in the driver data.

Signed-off-by: Sam Protsenko <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Acked-by: Łukasz Stelmach <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>

Author: Sam Protsenko

drivers/char/hw_random/exynos-trng.c

@@ -320,6 +320,9 @@ static DEFINE_SIMPLE_DEV_PM_OPS(exynos_trng_pm_ops, exynos_trng_suspend,
 static const struct of_device_id exynos_trng_dt_match[] = {
 	{
 		.compatible = "samsung,exynos5250-trng",
+	}, {
+		.compatible = "samsung,exynos850-trng",
+		.data = (void *)EXYNOS_SMC,
 	},
 	{ },
 };