cpufreq: Use imx-cpufreq-dt for i.MX8MN's speed grading

Add i.MX8MN to blacklist, so that imx-cpufreq-dt driver can handle
speed grading bits just like other i.MX8M SoCs.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
This commit is contained in:
Anson Huang 2019-08-18 02:32:21 -04:00 • committed by Viresh Kumar
commit 8ec5035039