crypto/aesni_gcm: fix J0 padding bytes
crypto/aesni_gcm: fix J0 padding bytes

This commit fixes pre-counter block (J0) padding by clearing
four most significant bytes before setting initial counter value.

Fixes: b2bb3597470c ("crypto/aesni_gcm: move pre-counter block to driver")

Signed-off-by: Arek Kusztal <4bf5ef838d7576d5719b17cd64a25f70d57e7e5b@intel.com>
Acked-by: Piotr Azarewicz <d69f9ffb0d4d380b66123ef2bf39ec168933478a@intel.com>

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