ipg: Move the IC Plus driver

Move the IC Plus driver into drivers/net/ethernet/icplus/ and
make the necessary Kconfig and Makefile changes.

CC: <craig_rich@sundanceti.com>
CC: <sorbica@icplus.com.tw>
CC: <jesse@icplus.com.tw>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 37cbe14..879c17e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3443,7 +3443,7 @@
 M:	Sorbica Shieh <sorbica@icplus.com.tw>
 L:	netdev@vger.kernel.org
 S:	Maintained
-F:	drivers/net/ipg.*
+F:	drivers/net/ethernet/icplus/ipg.*
 
 IPATH DRIVER
 M:	Mike Marciniszyn <infinipath@qlogic.com>