While Zba and Zbb were exported through hwprobe, Zbc was not. Export it.
Signed-off-by: Clément Léger <cleger@rivosinc.com>
Link: https://lore.kernel.org/r/20231114141256.126749-3-cleger@rivosinc.comSigned-off-by: Palmer Dabbelt <palmer@rivosinc.com>