[PATCH] x86/APIC: mark wait_tick_pvh() __init

[Jan Beulich]

It should have been that way right from its introduction by 02e0de011555
("x86: APIC timer calibration when running as a guest").

Signed-off-by: Jan Beulich <jbeul...@suse.com>

--- a/xen/arch/x86/apic.c
+++ b/xen/arch/x86/apic.c
@@ -1190,7 +1190,7 @@ static void __init check_deadline_errata
            "please update microcode to version %#x (or later)\n", rev);
 }
 
-static void wait_tick_pvh(void)
+static void __init wait_tick_pvh(void)
 {
     u64 lapse_ns = 1000000000ULL / HZ;
     s_time_t start, curr_time;