[Blackfin] arch: __FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

Signed-off-by: Bryan Wu <cooloney@kernel.org>

diff --git a/arch/blackfin/mach-bf533/boards/stamp.c b/arch/blackfin/mach-bf533/boards/stamp.c
index 32b37af..3a727d3 100644
--- a/arch/blackfin/mach-bf533/boards/stamp.c
+++ b/arch/blackfin/mach-bf533/boards/stamp.c
@@ -553,7 +553,7 @@
 {
 	int ret;
 
-	printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
+	printk(KERN_INFO "%s(): registering device resources\n", __func__);
 
 #ifdef CONFIG_I2C_BOARDINFO
 	i2c_register_board_info(0, bfin_i2c_board_info,