3605 Xen HVM hangs during boot if apix is enabled

@@ -77,10 +77,11 @@
 typedef struct ddi_intr_handle_impl {
         dev_info_t              *ih_dip;        /* dip associated with handle */
         uint16_t                ih_type;        /* interrupt type being used */
         ushort_t                ih_inum;        /* interrupt number */
         uint32_t                ih_vector;      /* vector number */
+        int                     ih_irq;         /* irq number */
         uint16_t                ih_ver;         /* Version */
         uint_t                  ih_state;       /* interrupt handle state */
         uint_t                  ih_cap;         /* interrupt capabilities */
         uint_t                  ih_pri;         /* priority - bus dependent */
         krwlock_t               ih_rwlock;      /* read/write lock per handle */