KVM: ia64: Set KVM_IOAPIC_NUM_PINS to 48

Guest's firmware needs an iosapic with 48 pins for ia64 guests.  Needed to
get networking going.
Signed-off-by: NXiantao Zhang <xiantao.zhang@intel.com>
Signed-off-by: NAvi Kivity <avi@qumranet.com>

include/asm-ia64/kvm.h

@@ -28,7 +28,7 @@
 /* Architectural interrupt line count. */
 #define KVM_NR_INTERRUPTS 256
 
-#define KVM_IOAPIC_NUM_PINS  24
+#define KVM_IOAPIC_NUM_PINS  48
 
 struct kvm_ioapic_state {
 	__u64 base_address;