This patch add the bindings document of rockchip eFuse driver. Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Cc: Heiko Stuebner <heiko@sntech.de> Signed-off-by: ZhengShunQian <zhengsq@rock-chips.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>