drivers/intel/i210: Add new driver for Intel i210 MACPHY

Add a new driver for Intel i210 MACPHY with the goal to
update the MAC address in i210 if it is found
during PCI scan.

Change-Id: I4d4e797543a9f278fb649596f63ae8e1f285b3c3
Signed-off-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-on: http://review.coreboot.org/8404
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Tested-by: build bot (Jenkins)
diff --git a/src/drivers/intel/Kconfig b/src/drivers/intel/Kconfig
index 9954f31..511cf5c 100644
--- a/src/drivers/intel/Kconfig
+++ b/src/drivers/intel/Kconfig
@@ -18,3 +18,4 @@
 ##
 
 source src/drivers/intel/gma/Kconfig
+source src/drivers/intel/i210/Kconfig