ethdev: reset whole dev info structure before filling
ethdev: reset whole dev info structure before filling

To guarantee that RX/TX configuration structures are reseted
before modifying them, plus the other dev info fields,
dev info structure is zeroed beforehand.

Signed-off-by: Pablo de Lara <28355d9cfe41bb8148aea0fb24f47aae8f4217a1@intel.com>
Acked-by: David Marchand <f28529695cfa9e3e1eb84e7072aa626af4abb18e@6wind.com>

phermansson/dpdk,phermansson/dpdk,phermansson/dpdk,phermansson/dpdk