[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/plat-iop/pci.c b/arch/arm/plat-iop/pci.c
index 2b5aa11..98d0151 100644
--- a/arch/arm/plat-iop/pci.c
+++ b/arch/arm/plat-iop/pci.c
@@ -371,7 +371,7 @@
 			default:
 				printk(KERN_DEBUG "\"%s\" malformed at "
 					    "character: \'%c\'",
-					    __FUNCTION__,
+					    __func__,
 					    *str);
 				*(str + 1) = '\0';
 			}