drm/amd/display: Clean up errors in dce112_hw_sequencer.c

Fix the following errors reported by checkpatch:

ERROR: space required before the open brace '{'
Signed-off-by: Ran Sun <sunran001@208suo.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dce112/dce112_hw_sequencer.c

@@ -127,7 +127,7 @@ static bool dce112_enable_display_power_gating(
 	else
 		cntl = ASIC_PIPE_DISABLE;
 
-	if (power_gating != PIPE_GATING_CONTROL_INIT || controller_id == 0){
+	if (power_gating != PIPE_GATING_CONTROL_INIT || controller_id == 0) {
 
 		bp_result = dcb->funcs->enable_disp_power_gating(
 						dcb, controller_id + 1, cntl);