[PATCH] fec_8xx: make CONFIG_FEC_8XX depend on CONFIG_8xx

Change CONFIG_FEC_8XX to depend on CONFIG_8xx instead of CONFIG_FEC.
CONFIG_FEC depends on ColdFire CPUs, which does not apply for the
PPC 8xx processors.
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/fec_8xx/Kconfig

 config FEC_8XX
 	tristate "Motorola 8xx FEC driver"
-	depends on NET_ETHERNET && FEC
+	depends on NET_ETHERNET && 8xx
 	select MII
 
 config FEC_8XX_GENERIC_PHY