gianfar needs crc32 lib dependency

Gianfar needs crc32 to be selected to compile.
Signed-off-by: NDave Jiang <djiang@mvista.com>

--
 drivers/net/Kconfig |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
--
Signed-off-by: NJeff Garzik <jeff@garzik.org>

drivers/net/Kconfig

@@ -2263,6 +2263,7 @@ config GIANFAR
 	tristate "Gianfar Ethernet"
 	depends on 85xx || 83xx || PPC_86xx
 	select PHYLIB
+	select CRC32
 	help
 	  This driver supports the Gigabit TSEC on the MPC83xx, MPC85xx,
 	  and MPC86xx family of chips, and the FEC on the 8540.