drm/amdgpu: fix typo in dce11 watermark setup
drm/amdgpu: fix typo in dce11 watermark setup

Using the wrong watermwark value for the secondary
watermark.  Copy paste typo.  Noticed by Mykola.

Reviewed-by: Harry Wentland <d1ae5f12b18b0472d4d26e422298c7cc4b3a1300@amd.com>
Signed-off-by: Alex Deucher <08dc22c6156113f2deff178e35e3ed9b24d6af9e@amd.com>
Cc: 4fbacc2fa0ffdbb11bf1ad6925b886ebd08dd15f@vger.kernel.org

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs