ibm_newemac: Update file headers copyright notices

This updates the copyright notices of the new EMAC driver to
avoid confusion as who is to be blamed for new bugs.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/ibm_newemac/phy.h b/drivers/net/ibm_newemac/phy.h
index 6feca26..1b65c81 100644
--- a/drivers/net/ibm_newemac/phy.h
+++ b/drivers/net/ibm_newemac/phy.h
@@ -3,6 +3,11 @@
  *
  * Driver for PowerPC 4xx on-chip ethernet controller, PHY support
  *
+ * Copyright 2007 Benjamin Herrenschmidt, IBM Corp.
+ *                <benh@kernel.crashing.org>
+ *
+ * Based on the arch/ppc version of the driver:
+ *
  * Benjamin Herrenschmidt <benh@kernel.crashing.org>
  * February 2003
  *