When using RTE_PKTMBUF_HEADROOM as 0, dpaa driver throws compilation error
error "Annotation requirement is more than RTE_PKTMBUF_HEADROOM"
This patch change it into run-time check.
Bugzilla ID: 335
Fixes: ff9e112d7870 ("net/dpaa: add NXP DPAA PMD driver skeleton")
Cc: stable@dpdk.org
Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>