sh: 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: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boards/superh/microdev/io.c b/arch/sh/boards/superh/microdev/io.c
index b704e20..9f8a540 100644
--- a/arch/sh/boards/superh/microdev/io.c
+++ b/arch/sh/boards/superh/microdev/io.c
@@ -127,7 +127,7 @@
 			 *	safe default.
 			 */
 		printk("Warning: unexpected port in %s( offset = 0x%lx )\n",
-		       __FUNCTION__, offset);
+		       __func__, offset);
 		result = PVR;
 	}