pwm: bcm2835: Remove duplicate call to clk_rate_exclusive_put()

pwm: bcm2835: Remove duplicate call to clk_rate_exclusive_put()

devm_add_action_or_reset() already calls the action in the error case.

Reported-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Closes: https://lore.kernel.org/linux-pwm/fuku3b5ur6y4k4refd3vmeoenzjo6mwe3b3gtel34rhhhtvnsa@w4uktgbqsc3w/
Fixes: fcc760729359 ("pwm: bcm2835: Allow PWM driver to be used in atomic context")
Signed-off-by: Sean Young <sean@mess.org>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20231222131312.174491-1-sean@mess.org
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>