drm/amd/display: Do not override dml2.1 reinit

[WHY&HOW]
Reinit should return after completing version 2.1 reinit instead of calling
version 2 reinit after.
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Acked-by: Zaeem Mohamed <zaeem.mohamed@amd.com>
Signed-off-by: Dillon Varone <dillon.varone@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dml2/dml2_wrapper.c

@@ -844,6 +844,7 @@ void dml2_reinit(const struct dc *in_dc,
 	// TODO : Temporarily add DCN_VERSION_3_2 for N-1 validation. Remove DCN_VERSION_3_2 after N-1 validation phase is complete.
 	if ((in_dc->debug.using_dml21) && (in_dc->ctx->dce_version == DCN_VERSION_4_01 || in_dc->ctx->dce_version == DCN_VERSION_3_2)) {
 		dml21_reinit(in_dc, dml2, config);
+		return;
 	}
 
 	dml2_init(in_dc, config, dml2);