broadcom: Move the Broadcom drivers

Moves the drivers for Broadcom devices into
drivers/net/ethernet/broadcom/ and the necessary Kconfig and Makefile
changes.

CC: Eilon Greenstein <eilong@broadcom.com>
CC: Michael Chan <mchan@broadcom.com>
CC: Matt Carlson <mcarlson@broadcom.com>
CC: Gary Zambrano <zambrano@broadcom.com>
CC: "Maciej W. Rozycki" <macro@linux-mips.org>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index c694583..af9de64 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1526,27 +1526,27 @@
 M:	Gary Zambrano <zambrano@broadcom.com>
 L:	netdev@vger.kernel.org
 S:	Supported
-F:	drivers/net/b44.*
+F:	drivers/net/ethernet/broadcom/b44.*
 
 BROADCOM BNX2 GIGABIT ETHERNET DRIVER
 M:	Michael Chan <mchan@broadcom.com>
 L:	netdev@vger.kernel.org
 S:	Supported
-F:	drivers/net/bnx2.*
-F:	drivers/net/bnx2_*
+F:	drivers/net/ethernet/broadcom/bnx2.*
+F:	drivers/net/ethernet/broadcom/bnx2_*
 
 BROADCOM BNX2X 10 GIGABIT ETHERNET DRIVER
 M:	Eilon Greenstein <eilong@broadcom.com>
 L:	netdev@vger.kernel.org
 S:	Supported
-F:	drivers/net/bnx2x/
+F:	drivers/net/ethernet/broadcom/bnx2x/
 
 BROADCOM TG3 GIGABIT ETHERNET DRIVER
 M:	Matt Carlson <mcarlson@broadcom.com>
 M:	Michael Chan <mchan@broadcom.com>
 L:	netdev@vger.kernel.org
 S:	Supported
-F:	drivers/net/tg3.*
+F:	drivers/net/ethernet/broadcom/tg3.*
 
 BROADCOM BRCM80211 IEEE802.11n WIRELESS DRIVER
 M:	Brett Rudley <brudley@broadcom.com>