Tegra: debug prints indicating SC7 entry sequence completion

This patch adds prints to display the completion of System Suspend
programming sequence for Tegra platforms. The console needs to
be kept alive until the very end of the System Suspend sequence as
a result.

Change-Id: I8e0e2054a272665d0a067bb894dda1605a9d2eb7
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>

plat/nvidia/tegra/common/tegra_pm.c

@@ -117,13 +117,6 @@ static void tegra_pwr_domain_suspend(const psci_power_state_t *target_state)
 {
 	(void)tegra_soc_pwr_domain_suspend(target_state);
 
-	/* Disable console if we are entering deep sleep. */
-	if (target_state->pwr_domain_state[PLAT_MAX_PWR_LVL] ==
-			PSTATE_ID_SOC_POWERDN) {
-		(void)console_flush();
-		console_switch_state(0);
-	}
-
 	/* disable GICC */
 	tegra_gic_cpuif_deactivate();
 }
@@ -138,6 +131,14 @@ static __dead2 void tegra_pwr_domain_power_down_wfi(const psci_power_state_t
 	/* call the chip's power down handler */
 	(void)tegra_soc_pwr_domain_power_down_wfi(target_state);
 
+	/* Disable console if we are entering deep sleep. */
+	if (target_state->pwr_domain_state[PLAT_MAX_PWR_LVL] ==
+			PSTATE_ID_SOC_POWERDN) {
+		INFO("%s: complete. Entering System Suspend...\n", __func__);
+		(void)console_flush();
+		console_switch_state(0);
+	}
+
 	wfi();
 	panic();
 }