x86: apic: export symbols for extended interrupt LVT functions

This patch adds EXPORT_SYMBOLs to allow OProfile to be built as
module.

Cc: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: NRobert Richter <robert.richter@amd.com>
Cc: oprofile-list <oprofile-list@lists.sourceforge.net>
Cc: Arjan van de Ven <arjan@infradead.org>
Cc: Barry Kasindorf <barry.kasindorf@amd.com>
Signed-off-by: NIngo Molnar <mingo@elte.hu>

arch/x86/kernel/apic_32.c

@@ -672,6 +672,7 @@ u8 setup_APIC_eilvt_ibs(u8 vector, u8 msg_type, u8 mask)
 	setup_APIC_eilvt(APIC_EILVT_LVTOFF_IBS, vector, msg_type, mask);
 	return APIC_EILVT_LVTOFF_IBS;
 }
+EXPORT_SYMBOL(setup_APIC_eilvt_ibs);
 
 /*
  * Local APIC start and shutdown

arch/x86/kernel/apic_64.c

@@ -232,6 +232,7 @@ u8 setup_APIC_eilvt_ibs(u8 vector, u8 msg_type, u8 mask)
 	setup_APIC_eilvt(APIC_EILVT_LVTOFF_IBS, vector, msg_type, mask);
 	return APIC_EILVT_LVTOFF_IBS;
 }
+EXPORT_SYMBOL(setup_APIC_eilvt_ibs);
 
 /*
  * Program the next event, relative to now