rockchip/rk3399: Fix QOS save/restore

The code was accidentally restoring the QOS on suspend and saving the
QOS on resume. This is the opposite of what we want.
Signed-off-by: Derek Basehore <dbasehore@chromium.org>

plat/rockchip/rk3399/drivers/pmu/pmu.c

@@ -95,7 +95,7 @@ static void pmu_bus_idle_req(uint32_t bus, uint32_t state)
 
 struct pmu_slpdata_s pmu_slpdata;
 
-static void qos_save(void)
+static void qos_restore(void)
 {
 	if (pmu_power_domain_st(PD_GPU) == pmu_pd_on)
 		RESTORE_QOS(pmu_slpdata.gpu_qos, GPU);
@@ -161,7 +161,7 @@ static void qos_save(void)
 	}
 }
 
-static void qos_restore(void)
+static void qos_save(void)
 {
 	if (pmu_power_domain_st(PD_GPU) == pmu_pd_on)
 		SAVE_QOS(pmu_slpdata.gpu_qos, GPU);