drm/amd/display: Fix DP no audio issue

[why]
need to enable APG_CLOCK_ENABLE enable first
also need to wake up az from D3 before access az block

Reviewed-by: Swapnil Patel <[e-mail]>
Signed-off-by: Charlene Liu <[e-mail]>
Signed-off-by: Chenyu Chen <[e-mail]>
Tested-by: Daniel Wheeler <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>
(cherry picked from commit bf5e396957acafd46003318965500914d5f4edfa)

drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c

···
 			if (dc->current_state->res_ctx.pipe_ctx[i].stream_res.audio != NULL)
 				num_audio++;
 		}
+		if (num_audio >= 1 && clk_mgr->funcs->enable_pme_wa) {
+			/*wake AZ from D3 first before access az endpoint*/
+			clk_mgr->funcs->enable_pme_wa(clk_mgr);
+		}
 
 		pipe_ctx->stream_res.audio->funcs->az_enable(pipe_ctx->stream_res.audio);
-
-		if (num_audio >= 1 && clk_mgr->funcs->enable_pme_wa)
-			/*this is the first audio. apply the PME w/a in order to wake AZ from D3*/
-			clk_mgr->funcs->enable_pme_wa(clk_mgr);
 
 		link_hwss->enable_audio_packet(pipe_ctx);