nvmem: imx-ocotp: Enable i.MX7D OTP write support

After applying patches for both banked access and write timings we can
re-enable the OTP write interface on i.MX7D processors.

Fixes: 0642bac7da42 ("nvmem: imx-ocotp: add write support")

Signed-off-by: Bryan O'Donoghue <pure.logic@nexus-software.ie>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/nvmem/imx-ocotp.c

@@ -466,8 +466,6 @@ static int imx_ocotp_probe(struct platform_device *pdev)
 	imx_ocotp_nvmem_config.dev = dev;
 	imx_ocotp_nvmem_config.priv = priv;
 	priv->config = &imx_ocotp_nvmem_config;
-	if (of_device_is_compatible(pdev->dev.of_node, "fsl,imx7d-ocotp"))
-		imx_ocotp_nvmem_config.read_only = true;
 	nvmem = nvmem_register(&imx_ocotp_nvmem_config);
 
 	if (IS_ERR(nvmem))