[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-iop13xx/setup.c b/arch/arm/mach-iop13xx/setup.c
index bfe0c87..246f6d4 100644
--- a/arch/arm/mach-iop13xx/setup.c
+++ b/arch/arm/mach-iop13xx/setup.c
@@ -519,7 +519,7 @@
 	if (iq8134x_flash_resource.end > iq8134x_flash_resource.start)
 		iop13xx_devices[plat_idx++] = &iq8134x_flash;
 	else
-		printk(KERN_ERR "%s: Failed to probe flash size\n", __FUNCTION__);
+		printk(KERN_ERR "%s: Failed to probe flash size\n", __func__);
 #endif
 
 	platform_add_devices(iop13xx_devices, plat_idx);