Merge patch series "drivers: perf: fix crash with the legacy riscv driver"

Vadim Shakirov <vadim.shakirov@syntacore.com> says:

This series fix crash with the legacy riscv driver when configs:
CONFIG_RISCV_PMU_LEGACY=y and CONFIG_RISCV_PMU_SBI=n and you try
to perf record

* b4-shazam-lts:
  drivers: perf: ctr_get_width function for legacy is not defined
  drivers: perf: added capabilities for legacy PMU

Link: https://lore.kernel.org/r/20240227170002.188671-1-vadim.shakirov@syntacore.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>