CONFIG_NET_VENDOR_DAVICOM is needed to activate the CONFIG_DM9000 option
which builds the kmod-dm9000. This fixes the following warning:
logs/package/kernel/linux/compile.txt:WARNING: kmod-dm9000 is not available in the kernel config - generating empty package
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>