make clicinttrig, xnxti/xscratchcsw/xscratchcswl non-optional

riscv / riscv-fast-interrupt

Proposal for a RISC-V Core-Local Interrupt Controller (CLIC)

https://jira.riscv.org/browse/RVG-63

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Closed dansmathers closed 1 year ago

dansmathers commented 1 year ago

remove optional wording on xnxti and xscratchcsw/xscratchcswl CSRs. if clicinttrig is not implemented, appear as hard-wired zeros.

Signed-off-by: Dan Smathers dan.smathers@seagate.com