8390: select CRC32 support

The ax88796 driver uses the CRC32 functions, so make sure that
they are actually enabled.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/8390/Kconfig

@@ -60,6 +60,7 @@ config PCMCIA_AXNET
 config AX88796
 	tristate "ASIX AX88796 NE2000 clone support"
 	depends on (ARM || MIPS || SUPERH)
+	select CRC32
 	select PHYLIB
 	select MDIO_BITBANG
 	---help---