Revert "drm/amd/pm: correct the workload setting"

Revert "drm/amd/pm: correct the workload setting"

This reverts commit 74e1006430a5377228e49310f6d915628609929e.

This causes a regression in the workload selection.
A more extensive fix is being worked on.
For now, revert.

This came back after a merge in 6.13-rc1, so revert again.

Link: https://gitlab.freedesktop.org/drm/amd/-/issues/3618
Fixes: 74e1006430a5 ("drm/amd/pm: correct the workload setting")
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 44f392fbf628a7ff2d8bb8e83ca1851261f81a6f)