[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/math-emu/fsel.c b/arch/powerpc/math-emu/fsel.c
index e36e6e7..ecb5f28 100644
--- a/arch/powerpc/math-emu/fsel.c
+++ b/arch/powerpc/math-emu/fsel.c
@@ -11,7 +11,7 @@
 	FP_DECL_D(A);
 
 #ifdef DEBUG
-	printk("%s: %p %p %p %p\n", __FUNCTION__, frD, frA, frB, frC);
+	printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC);
 #endif
 
 	__FP_UNPACK_D(A, frA);