pwm: th1520: Replace `kernel::c_str!` with C-Strings
C-String literals were added in Rust 1.77. Replace instances of
`kernel::c_str!` with C-String literals where possible.
Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Reviewed-by: Michal Wilczynski <m.wilczynski@samsung.com>
Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com>
Link: https://patch.msgid.link/20251222-cstr-pwm-v1-1-e8916d976f8d@gmail.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
authored by