[IA64] remove remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__

Long lines have been kept where they exist, some small spacing changes
have been done.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>

arch/ia64/hp/common/hwsw_iommu.c

@@ -71,7 +71,7 @@ hwsw_init (void)
 #ifdef CONFIG_IA64_GENERIC
 		/* Better to have normal DMA than panic */
 		printk(KERN_WARNING "%s: Failed to initialize software I/O TLB,"
-		       " reverting to hpzx1 platform vector\n", __FUNCTION__);
+		       " reverting to hpzx1 platform vector\n", __func__);
 		machvec_init("hpzx1");
 #else
 		panic("Unable to initialize software I/O TLB services");