Fix ALU test to pass

[rgantonio]

This PR fixes the SNAX-ALU test for the system to pass CI.

Major TODOs:

• [x] Update ci
• [x] Add library name snax-alu
• [x] Add switchers to Makefiles
• [x] Update snax-alu.c program
• [x] Make library snxa-alu

[rgantonio]

@IveanEx or @xiaoling-yi please approve hehe this fixes the SNAX alu

[rgantonio]

Thank you @IveanEx !!!

[IveanEx]

Thank you @IveanEx !!!

Actually stack PR does not need us to approve haha you can directly merge, as you have the write access😂

[rgantonio]

Thank you @IveanEx !!!

Actually stack PR does not need us to approve haha you can directly merge, as you have the write access😂

AHA YES YOU'RE RIGHT LOL. Force of habit 🤡