pwm: Convert pwm-tegra to use devm_clk_get()

Also return proper error in tegra_pwm_remove() if pwmchip_remove()
fails.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
1 file changed