net/pfe: fix misuse of interface index
net/pfe: fix misuse of interface index

Pfe pmd has no need to bound host interface
for which we require if_index field.
Setting it to 0 as unused.

Fixes: fe38ad9ba73e ("net/pfe: add device start/stop")
Cc: stable@dpdk.org

Reported-by: Stephen Hemminger <06fa905d7f2aaced6dc72e9511c71a2a51e8aead@networkplumber.org>
Signed-off-by: Sachin Saxena <22665d18b083d287876f507c3d0f65800f1404e7@nxp.com>
Reviewed-by: Ferruh Yigit <ba8734c3c506d2e3557bd4ac8fdaccd25bdb9aa7@intel.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk