bnx2x: fix build as shared library
bnx2x: fix build as shared library

Build log:
	Must Specify a librte_pmd_bnx2x.so..1 ABI version

Signed-off-by: Thomas Monjalon <ee2fa8b2681c737f775687e475dcbf2028a412f1@6wind.com>

venkynv/dpdk-mirror,mixja/dpdk,msune/dpdk,mixja/dpdk,tsphillips/dpdk-fork,mixja/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,tsphillips/dpdk-fork,tsphillips/dpdk-fork,mixja/dpdk,msune/dpdk,venkynv/dpdk-mirror,tsphillips/dpdk-fork,john-mcnamara-intel/dpdk,msune/dpdk,venkynv/dpdk-mirror,john-mcnamara-intel/dpdk,venkynv/dpdk-mirror,msune/dpdk