rust: pwm: Add __rust_helper to helpers
This is needed to inline these helpers into Rust code.
Signed-off-by: Alice Ryhl <aliceryhl@google.com>
Acked-by: Michal Wilczynski <m.wilczynski@samsung.com>
Link: https://patch.msgid.link/20260105-define-rust-helper-v2-14-51da5f454a67@google.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
authored by