nvmem: rockchip-otp: Add support for rk3308-otp

This adds the necessary data for handling efuse on the rk3308.

Change-Id: I0c986e632f8dcc27ac38a887df25241db4b9fa19
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>

Author: finley1226

Documentation/devicetree/bindings/nvmem/rockchip-otp.txt

@@ -1,7 +1,9 @@
 Rockchip internal OTP (One Time Programmable) memory device tree bindings
 
 Required properties:
-  - compatible: Should be "rockchip,px30-otp"
+- compatible: Should be one of the following.
+  - "rockchip,px30-otp" - for PX30 SoCs.
+  - "rockchip,rk3308-otp" - for RK3308 SoCs.
   - reg: Must contain an entry with the physical base address and length
     for each entry in reg-names.
   - address-cells: must be set to 1.

drivers/nvmem/rockchip-otp.c

@@ -218,6 +218,10 @@ static const struct of_device_id rockchip_otp_match[] = {
 		.compatible = "rockchip,px30-otp",
 		.data = (void *)&px30_data,
 	},
+	{
+		.compatible = "rockchip,rk3308-otp",
+		.data = (void *)&px30_data,
+	},
 	{ /* sentinel */},
 };
 MODULE_DEVICE_TABLE(of, rockchip_otp_match);