net/iavf: fix SPDX license text
net/iavf: fix SPDX license text

Obvious spelling error in SPDX license header.

Fixes: 12b435bf8f2f ("net/iavf: support flex desc metadata extraction")

Signed-off-by: Stephen Hemminger <06fa905d7f2aaced6dc72e9511c71a2a51e8aead@networkplumber.org>
Acked-by: Ferruh Yigit <ba8734c3c506d2e3557bd4ac8fdaccd25bdb9aa7@intel.com>

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