bna: Move the Brocade driver

Moves the Brocade driver into drivers/net/ethernet/brocade/ and make
the necessary Kconfig and Makefile changes.

CC: Rasesh Mody <rmody@brocade.com>
CC: Debashis Dutt <ddutt@brocade.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 7e51969..0613e60 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1576,7 +1576,7 @@
 M:	Debashis Dutt <ddutt@brocade.com>
 L:	netdev@vger.kernel.org
 S:	Supported
-F:	drivers/net/bna/
+F:	drivers/net/ethernet/brocade/bna/
 
 BSG (block layer generic sg v4 driver)
 M:	FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>