USB: replace remaining __FUNCTION__ occurrences

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/misc/phidgetservo.c b/drivers/usb/misc/phidgetservo.c
index 0d9de2f..7d590c0 100644
--- a/drivers/usb/misc/phidgetservo.c
+++ b/drivers/usb/misc/phidgetservo.c
@@ -89,7 +89,7 @@
 	buffer = kmalloc(6, GFP_KERNEL);
 	if (!buffer) {
 		dev_err(&servo->udev->dev, "%s - out of memory\n",
-			__FUNCTION__);
+			__func__);
 		return -ENOMEM;
 	}
 
@@ -162,7 +162,7 @@
 	buffer = kmalloc(2, GFP_KERNEL);
 	if (!buffer) {
 		dev_err(&servo->udev->dev, "%s - out of memory\n",
-			__FUNCTION__);
+			__func__);
 		return -ENOMEM;
 	}
 
@@ -259,7 +259,7 @@
 
 	dev = kzalloc(sizeof (struct phidget_servo), GFP_KERNEL);
 	if (dev == NULL) {
-		dev_err(&interface->dev, "%s - out of memory\n", __FUNCTION__);
+		dev_err(&interface->dev, "%s - out of memory\n", __func__);
 		rc = -ENOMEM;
 		goto out;
 	}