[ARM] 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: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c
index bf04121..64be341 100644
--- a/arch/arm/mach-ixp4xx/common-pci.c
+++ b/arch/arm/mach-ixp4xx/common-pci.c
@@ -87,7 +87,7 @@
 	if (isr & PCI_ISR_PFE) {
 		/* make sure the Master Abort bit is reset */    
 		*PCI_ISR = PCI_ISR_PFE;
-		pr_debug("%s failed\n", __FUNCTION__);
+		pr_debug("%s failed\n", __func__);
 		return 1;
 	}