mips: Update some more defconfigs which were missing CONFIG_NET.

Commit df568d8e ("scsi: Use 'depends' with LIBFC instead of
'select'.")  removed what happened to be the only instance of 'select
NET'. Defconfigs that were relying on the select now lack networking
support.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc arch/mips/configs/nlm_xlp_defconfig
Simple merge

diff --cc arch/mips/configs/nlm_xlr_defconfig
Simple merge