tc: m_vlan: Add priority option to push vlan action

The current vlan push action supports only vid and protocol options.
Add priority option.

Example script that adds vlan push action with vid and priority:

tc filter add dev veth0 protocol ip parent ffff: \
	flower \
	indev veth0 \
	action vlan push id 100 priority 5

Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
2 files changed