wolfSSL Async Release v4.2.0 (10/22/2019)
- Fix for QuickAssist DH Agree issue with leading zero bytes.
- Fix for QuickAssist AES CBC issue with previous IV on back-to-back operations.
- Updates to QuickAssist README.md for latest QAT v1.7 driver.
- Instructions for Octeon III (CN7300) use.