m68k: replace remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/m68k/q40/q40ints.c

@@ -47,7 +47,7 @@ static int q40_irq_startup(unsigned int irq)
 	switch (irq) {
 	case 1: case 2: case 8: case 9:
 	case 11: case 12: case 13:
-		printk("%s: ISA IRQ %d not implemented by HW\n", __FUNCTION__, irq);
+		printk("%s: ISA IRQ %d not implemented by HW\n", __func__, irq);
 		return -ENXIO;
 	}
 	return 0;