[ARM] replace remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-sa1100/cpu-sa1100.c b/arch/arm/mach-sa1100/cpu-sa1100.c
index d68630b..343368a 100644
--- a/arch/arm/mach-sa1100/cpu-sa1100.c
+++ b/arch/arm/mach-sa1100/cpu-sa1100.c
@@ -139,7 +139,7 @@
 
 	if (settings->speed == 0) {
 		panic("%s: couldn't find dram setting for speed %d\n",
-		      __FUNCTION__, new_speed);
+		      __func__, new_speed);
 	}
 
 	/* No risk, no fun: run with interrupts on! */