rockchip: otp: Add support for RK3528

Add support for the OTP controller in RK3528. The OTPC is similar to the
OTPC in RK3568 and can use the same ops for reading OTP data.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/drivers/misc/rockchip-otp.c b/drivers/misc/rockchip-otp.c
index 2123c31..b5597de 100644
--- a/drivers/misc/rockchip-otp.c
+++ b/drivers/misc/rockchip-otp.c
@@ -384,6 +384,10 @@
 		.data = (ulong)&px30_data,
 	},
 	{
+		.compatible = "rockchip,rk3528-otp",
+		.data = (ulong)&rk3568_data,
+	},
+	{
 		.compatible = "rockchip,rk3568-otp",
 		.data = (ulong)&rk3568_data,
 	},