sfc: don't select SFC_FALCON

Easy enough for Falcon users to enable it when making oldconfig.
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/sfc/Kconfig

@@ -6,7 +6,6 @@ config SFC
 	select I2C
 	select I2C_ALGOBIT
 	select PTP_1588_CLOCK
-	select SFC_FALCON
 	---help---
 	  This driver supports 10/40-gigabit Ethernet cards based on
 	  the Solarflare SFC9000-family and SFC9100-family controllers.