Miscellaneous doc fixes for v1.2

Change-Id: I6f49bd779f2a4d577c6443dd160290656cdbc59b
diff --git a/services/std_svc/psci/psci_private.h b/services/std_svc/psci/psci_private.h
index 8c028a7..3286cf6 100644
--- a/services/std_svc/psci/psci_private.h
+++ b/services/std_svc/psci/psci_private.h
@@ -206,10 +206,10 @@
 void psci_cpu_on_finish(unsigned int cpu_idx,
 			psci_power_state_t *state_info);
 
-/* Private exported functions from psci_cpu_off.c */
+/* Private exported functions from psci_off.c */
 int psci_do_cpu_off(unsigned int end_pwrlvl);
 
-/* Private exported functions from psci_pwrlvl_suspend.c */
+/* Private exported functions from psci_suspend.c */
 void psci_cpu_suspend_start(entry_point_info_t *ep,
 			unsigned int end_pwrlvl,
 			psci_power_state_t *state_info,