The function rte_eth_find_next is missing in the map file, which causes
errors with shared library builds.
.../test-pmd/testpmd.c:1693: undefined reference to `rte_eth_find_next'
Adding function to map file fixes the issue.
Fixes: 5588909af21b ("ethdev: add device iterator")
Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
8b2928c978