arch/x86/xen/time: Cleanup code/data sections definitions

Cleanup code/data sections definitions
accordingly to include/linux/init.h.
Signed-off-by: NDaniel Kiper <dkiper@net-space.pl>
Signed-off-by: NKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>

arch/x86/xen/time.c

@@ -439,11 +439,11 @@ void xen_timer_resume(void)
 	}
 }
 
-static const struct pv_time_ops xen_time_ops __initdata = {
+static const struct pv_time_ops xen_time_ops __initconst = {
 	.sched_clock = xen_clocksource_read,
 };
 
-static __init void xen_time_init(void)
+static void __init xen_time_init(void)
 {
 	int cpu = smp_processor_id();
 	struct timespec tp;
@@ -468,7 +468,7 @@ static __init void xen_time_init(void)
 	xen_setup_cpu_clockevents();
 }
 
-__init void xen_init_time_ops(void)
+void __init xen_init_time_ops(void)
 {
 	pv_time_ops = xen_time_ops;
 
@@ -490,7 +490,7 @@ static void xen_hvm_setup_cpu_clockevents(void)
 	xen_setup_cpu_clockevents();
 }
 
-__init void xen_hvm_init_time_ops(void)
+void __init xen_hvm_init_time_ops(void)
 {
 	/* vector callback is needed otherwise we cannot receive interrupts
 	 * on cpu > 0 and at this point we don't know how many cpus are