powerpc/pseries/lparcfg: Fix printing of system_active_processors

When printing the information "system_active_processors", the variable
partition_potential_processors is used instead of
partition_active_processors. The wrong value is displayed.

Use partition_active_processors instead.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241010-vdso-generic-base-v1-23-b64f0842d512@linutronix.de

Author: t-8ch

arch/powerpc/platforms/pseries/lparcfg.c

@@ -553,7 +553,7 @@ static int pseries_lparcfg_data(struct seq_file *m, void *v)
 	} else {		/* non SPLPAR case */
 
 		seq_printf(m, "system_active_processors=%d\n",
-			   partition_potential_processors);
+			   partition_active_processors);
 
 		seq_printf(m, "system_potential_processors=%d\n",
 			   partition_potential_processors);