[POWERPC] Replace remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c
index c144669..a413abb 100644
--- a/arch/powerpc/platforms/ps3/setup.c
+++ b/arch/powerpc/platforms/ps3/setup.c
@@ -126,7 +126,7 @@
 
 	p->address = __alloc_bootmem(p->size, p->align, __pa(MAX_DMA_ADDRESS));
 	if (!p->address) {
-		printk(KERN_ERR "%s: Cannot allocate %s\n", __FUNCTION__,
+		printk(KERN_ERR "%s: Cannot allocate %s\n", __func__,
 		       p->name);
 		return;
 	}