Merge patch series "riscv: Add bfloat16 instruction support"

Inochi Amaoto <inochiama@gmail.com> says:

Add description for the BFloat16 precision Floating-Point ISA extension,
(Zfbfmin, Zvfbfmin, Zvfbfwma). which was ratified in commit 4dc23d62
("Added Chapter title to BF16") of the riscv-isa-manual.

* patches from https://lore.kernel.org/r/20250213003849.147358-1-inochiama@gmail.com

:
  riscv: hwprobe: export bfloat16 ISA extension
  riscv: add ISA extension parsing for bfloat16 ISA extension
  dt-bindings: riscv: add bfloat16 ISA extension description

Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20250213003849.147358-1-inochiama@gmail.com