[IA64] two trivial build fixes for generic uniprocessor

Patches supplied by Dann Frazier.
Signed-off-by: Tony Luck <tony.luck@intel.com>

arch/ia64/sn/kernel/bte_error.c

@@ -15,6 +15,7 @@
 #include "xtalk/xwidgetdev.h"
 #include "xtalk/hubdev.h"
 #include <asm/sn/bte.h>
+#include <asm/param.h>
 
 /*
  * Bte error handling is done in two parts.  The first captures

arch/ia64/sn/kernel/irq.c

@@ -183,7 +183,9 @@ static void sn_set_affinity_irq(unsigned int irq, cpumask_t mask)
 
 			sn_irq_info = sn_irq_info->irq_next;
 
+#ifdef CONFIG_SMP
 			set_irq_affinity_info((irq & 0xff), cpuphys, 0);
+#endif
 		} else {
 			break;	/* snp_affinity failed the intr_alloc */
 		}