Update from dpdk.org

Signed-off-by: Keith Wiles <keith.wiles@windriver.com>
Builds with dpdk.org updates and scrn changes

Signed-off-by: Keith Wiles <keith.wiles@windriver.com>
Added a global rte_scrn_t pointer

Signed-off-by: Keith Wiles <keith.wiles@windriver.com>
rename all functions scrn_XXX to rte_scrn_XXX

Signed-off-by: Keith Wiles <keith.wiles@windriver.com>
Update some versions and fix old global scrn variable

Signed-off-by: Keith Wiles <keith.wiles@windriver.com>