Revert "update cpufreq driver"

This reverts commit 56b47f7a3bea1a006f03cf1179b439368b2d9d5c.
Revert "update cpufreq driver 2"

This reverts commit 05cc5d7f850f3bfed70731c648413ca0d12bd4e1.
Revert "modify config for cpufreq"

This reverts commit 29393266ba8465a2c6e4b927b095874533a56765.