Merge patch series "riscv: alternative/cpufeature related cleanups"

Merge patch series "riscv: alternative/cpufeature related cleanups"

Andrew Jones <ajones@ventanamicro.com> says:

This series has no intended functional change. These cleanups were
found while renaming errata_id to patch_id in order to better
convey that its purpose is larger than errata (it's also for
cpufeatures).

* b4-shazam-merge:
  riscv: cpufeature: Drop errata_list.h and other unused includes
  riscv: lib: Include hwcap.h directly
  riscv: alternatives: Rename errata_id to patch_id
  riscv: alternatives: Remove unnecessary define and unused struct
  riscv: Rename Kconfig.erratas to Kconfig.errata
  riscv: Clarify RISCV_ALTERNATIVE help text

Link: https://lore.kernel.org/r/20230224154601.88163-1-ajones@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>