linux-phytec-fsl

net: Add missing descriptions for fwmark_reflect for ipv4 and ipv6.

It was initially sent by Lorenzo Colitti, but was subsequently
lost in the final diff he submitted.

Signed-off-by: Loganaden Velvindron <logan@elandsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>