sfc: Add support for SFC9000 family (2)

This integrates support for the SFC9000 family of 10G Ethernet
controllers and LAN-on-motherboard chips, starting with the SFL9021
'Siena' and SFC9020 'Bethpage'.

Credit for this code is largely due to my colleagues at Solarflare:

   Guido Barzini
   Steve Hodgson
   Kieran Mansley
   Matthew Slattery
   Neil Turton

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/sfc/Kconfig b/drivers/net/sfc/Kconfig
index 260aafa..a65c986 100644
--- a/drivers/net/sfc/Kconfig
+++ b/drivers/net/sfc/Kconfig
@@ -1,5 +1,5 @@
 config SFC
-	tristate "Solarflare Solarstorm SFC4000 support"
+	tristate "Solarflare Solarstorm SFC4000/SFC9000-family support"
 	depends on PCI && INET
 	select MDIO
 	select CRC32
@@ -7,15 +7,16 @@
 	select I2C_ALGOBIT
 	help
 	  This driver supports 10-gigabit Ethernet cards based on
-	  the Solarflare Communications Solarstorm SFC4000 controller.
+	  the Solarflare Communications Solarstorm SFC4000 and
+	  SFC9000-family controllers.
 
 	  To compile this driver as a module, choose M here.  The module
 	  will be called sfc.
 config SFC_MTD
-	bool "Solarflare Solarstorm SFC4000 flash MTD support"
+	bool "Solarflare Solarstorm SFC4000/SFC9000-family MTD support"
 	depends on SFC && MTD && !(SFC=y && MTD=m)
 	default y
 	help
-	  This exposes the on-board flash memory as an MTD device (e.g.
-          /dev/mtd1).  This makes it possible to upload new boot code
-          to the NIC.
+	  This exposes the on-board flash memory as MTD devices (e.g.
+	  /dev/mtd1).  This makes it possible to upload new firmware
+	  to the NIC.