Revert "drm/amd/display: Disable PSR-SU on Parade 0803 TCON again"

This reverts commit 85d16c03.

duplicated a change made in 6.1.69
20907717

Cc: stable@vger.kernel.org # 6.1
Signed-off-by: Jonathan Gray <jsg@jsg.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>