no support for ATmega88pb

[pioupus]

could you please add support for the mega88/168pb variants?

avarice -4 -w
output is:

AVaRICE version 2.14svn20200906, Oct 16 2021 10:40:06

JTAG config starting.
Found a device, serial number: J41800072238
Reported device ID: 0x9316
Device ID 0x9316 is not known to AVaRICE.
Please ask for it being added to the code, or use