[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>
diff --git a/arch/ia64/hp/sim/simeth.c b/arch/ia64/hp/sim/simeth.c
index 9898feb..969fe9f4 100644
--- a/arch/ia64/hp/sim/simeth.c
+++ b/arch/ia64/hp/sim/simeth.c
@@ -222,7 +222,7 @@
 	}
 
 	if ((rc = assign_irq_vector(AUTO_ASSIGN)) < 0)
-		panic("%s: out of interrupt vectors!\n", __FUNCTION__);
+		panic("%s: out of interrupt vectors!\n", __func__);
 	dev->irq = rc;
 
 	/*