drm/amd/amdgpu: Comment out currently unused SI DPM struct

The tahiti_le structure is not currently used.  Comment it out
to avoid warnings.

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Acked-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/si_dpm.c

@@ -340,6 +340,7 @@ static const struct si_dte_data dte_data_tahiti =
 	false
 };
 
+#if 0
 static const struct si_dte_data dte_data_tahiti_le =
 {
 	{ 0x1E8480, 0x7A1200, 0x2160EC0, 0x3938700, 0 },
@@ -357,6 +358,7 @@ static const struct si_dte_data dte_data_tahiti_le =
 	85,
 	true
 };
+#endif
 
 static const struct si_dte_data dte_data_tahiti_pro =
 {