AVX-512 support has been disabled on some conditions.

On DPDK v18.11 AVX-512 is disabled for all GCC builds which reported to cause a
performance drop.

On DPDK v19.02 AVX-512 disable scope is reduced to GCC and binutils version
2.30 based on information accrued from the GCC community defect.

Reason:
Generated AVX-512 code cause crash: https://bugs.dpdk.org/show_bug.cgi?id=97
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88096

Resolution/Workaround:
Update binutils to newer version than 2.30.

OR

Use different compiler, like clang for this case.

Affected Environment/Platform:
GCC and binutils version 2.30.

Driver/Module:
ALL.