Revert "Revert "Revert "fix GPU stuff"""

This reverts commit 6e0e7f6305271145ed3c4861279b2b9c40b8f76c.
Revert "Revert "fix GPU stuff""

This reverts commit fbe5bdb33ffcaef2d0e7eebbef9df8b2a857ef95.
Revert "fix GPU stuff"

This reverts commit f4c9241b0a64f943da83ff6f714c8953becd064b.
Revert "fix gpu not fully blasting"

This reverts commit 7bf747b47fb61ddff597ef7c824bf57f3738511c.
Revert "gpu: fix wrong nominal frequency introduced by the 480mhz slot"

This reverts commit de2ab135b58fe7e1f7317724291fc9951d1ad907.
Revert "GPU 3D: Overclock: Add 480Mhz slot - controllable via sysfs"

This reverts commit 141fb80478597d67b91909c63de841681154925e.