Remove unused argument in psci_cpu_on_start()

The "end power level" value passed as the 3rd argument to the
psci_cpu_on_start() function is not used so this patch removes it.

Change-Id: Icaa68b8c4ecd94507287970455fbff354faaa41e

services/std_svc/psci/psci_main.c

@@ -47,7 +47,6 @@ int psci_cpu_on(u_register_t target_cpu,
 
 {
 	int rc;
-	unsigned int end_pwrlvl;
 	entry_point_info_t ep;
 
 	/* Determine if the cpu exists of not */
@@ -64,11 +63,7 @@ int psci_cpu_on(u_register_t target_cpu,
 	 * To turn this cpu on, specify which power
 	 * levels need to be turned on
 	 */
-	end_pwrlvl = PLAT_MAX_PWR_LVL;
-	rc = psci_cpu_on_start(target_cpu,
-			    &ep,
-			    end_pwrlvl);
-	return rc;
+	return psci_cpu_on_start(target_cpu, &ep);
 }
 
 unsigned int psci_version(void)

services/std_svc/psci/psci_on.c

@@ -67,8 +67,7 @@ static int cpu_on_validate_state(aff_info_state_t aff_state)
  * platform handler as it can return error.
  ******************************************************************************/
 int psci_cpu_on_start(u_register_t target_cpu,
-		      entry_point_info_t *ep,
-		      unsigned int end_pwrlvl)
+		      entry_point_info_t *ep)
 {
 	int rc;
 	unsigned int target_idx = plat_core_pos_by_mpidr(target_cpu);

services/std_svc/psci/psci_private.h

@@ -203,8 +203,7 @@ int psci_spd_migrate_info(u_register_t *mpidr);
 
 /* Private exported functions from psci_on.c */
 int psci_cpu_on_start(unsigned long target_cpu,
-		      entry_point_info_t *ep,
-		      unsigned int end_pwrlvl);
+		      entry_point_info_t *ep);
 
 void psci_cpu_on_finish(unsigned int cpu_idx,
 			psci_power_state_t *state_info);