cpu: Remove stray semicolon

This syntax error was introduced by commit da92df49 ("cpu: Mark
cpu_possible_mask as __ro_after_init").

Fixes: da92df49 ("cpu: Mark cpu_possible_mask as __ro_after_init")
Signed-off-by: Max Kellermann <max.kellermann@ionos.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240222114727.1144588-1-max.kellermann@ionos.com

kernel/cpu.c

@@ -3106,7 +3106,7 @@ const DECLARE_BITMAP(cpu_all_bits, NR_CPUS) = CPU_BITS_ALL;
 EXPORT_SYMBOL(cpu_all_bits);
 
 #ifdef CONFIG_INIT_ALL_POSSIBLE
-struct cpumask __cpu_possible_mask __ro_after_init;
+struct cpumask __cpu_possible_mask __ro_after_init
 	= {CPU_BITS_ALL};
 #else
 struct cpumask __cpu_possible_mask __ro_after_init;