Revert "Forgot to set 150Mhz to new OPP"

This reverts commit 3fdd47b9c66b1445b940116f6cdfb9c897486007.
Revert "CPU: Take out temp fix for low freq from dtrail and stop setting min freq to 300Mhz at boot"

This reverts commit 74a02ebd6698a0cf96e2c58a90c35fd02c3113a6.
Revert "CPU: set lowest freq to 150Mhz for real. Thanks dtrail"

This reverts commit f3a92ba42a21a847c9f383b9a697ae4c1d7d1658.