x86/apic: Add replacement for cpu_mask_to_apicid()

As preparation for replacing the vector allocator, provide a new function
which takes a cpu number instead of a cpu mask to calculate/lookup the
resulting APIC destination id.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Juergen Gross <jgross@suse.com>
Tested-by: Yu Chen <yu.c.chen@intel.com>
Acked-by: Juergen Gross <jgross@suse.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Alok Kataria <akataria@vmware.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Rui Zhang <rui.zhang@intel.com>
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Len Brown <lenb@kernel.org>

arch/x86/kernel/apic/apic_numachip.c

@@ -267,6 +267,7 @@ static const struct apic apic_numachip1 __refconst = {
 	.set_apic_id			= numachip1_set_apic_id,
 
 	.cpu_mask_to_apicid		= default_cpu_mask_to_apicid,
+	.calc_dest_apicid		= apic_default_calc_apicid,
 
 	.send_IPI			= numachip_send_IPI_one,
 	.send_IPI_mask			= numachip_send_IPI_mask,
@@ -317,6 +318,7 @@ static const struct apic apic_numachip2 __refconst = {
 	.set_apic_id			= numachip2_set_apic_id,
 
 	.cpu_mask_to_apicid		= default_cpu_mask_to_apicid,
+	.calc_dest_apicid		= apic_default_calc_apicid,
 
 	.send_IPI			= numachip_send_IPI_one,
 	.send_IPI_mask			= numachip_send_IPI_mask,