Add support for Zalasr Extension

[mehnadnerd]

Add support for Zalasr Extension

Description

Add support for the Zalasr extension

Related Issues

NA

Ratified/Unratified Extensions

• Ratified
• Unratified

List Extensions

Zalasr (https://github.com/riscv/riscv-zalasr)

Reference Model Used

• SAIL
• Spike
• Other - < SPECIFY HERE >

Mandatory Checklist:

• All tests are compliant with the test-format spec present in this repo ?
• [~] Ran the new tests on RISCOF with SAIL/Spike as reference model successfully ?

Bypassed RISCOF since it doesn't work and ran on https://github.com/mehnadnerd/zalasrtest/tree/main/ctgtests and ran succesfully, the first test is checked in.

• [~] Ran the new tests on RISCOF in coverage mode
• [~] Link to Google-Drive folder containing the new coverage reports (See this for more info): < SPECIFY HERE >

https://github.com/mehnadnerd/zalasrtest/tree/main/ctgtests has the tests ran since riscof doesn't work.

Optional Checklist:

• Were the tests hand-written/modified ?
• Have you run these on any hard DUT model ? Please specify name and provide link if possible in the description
• If you have modified arch_test.h Please provide a detailed description of the changes in the Description section above.