net/nfp: disable for 32-bit meson builds
net/nfp: disable for 32-bit meson builds

From comment in the build config for the make build-system:

 "NFP PMD is not supported on 32-bit"

Therefore disable NFP for 32-bit meson builds as well as for 32-bit
make ones.

Signed-off-by: Bruce Richardson <66b9e8e8fbd5e9f41f91b0af050876182ce9d0e4@intel.com>
Acked-by: Luca Boccassi <020748dc039465edc3ee6f30c530b21164cdce27@debian.org>

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