Set default serial speed to 115200 for 2.2, fixes #3715
Reduce differences between kernel confs
Check if ttys_wrap exist before attempt to copy it
Stop creating gettytab.bak for 2.2
Set BOOT_BOOT0_COMCONSOLE_SPEED to 0 to make boot0sio to follow BIOS speed
Revert "Stop creating gettytab.bak for 2.2"

This reverts commit d43f4acc4df228dc84cdee4188a9428d66cfabd5.
Push some fixes for aes-gcm on block size and cryptodev to add AES-GMAC