This driver forgets to use clk_put().  Rather than adding clk_put(),
lets instead use devm_clk_get() to obtain this clock so that it's
automatically handled on cleanup.
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
Acked-by: NMark A. Greer <mgreer@animalcreek.com>
Signed-off-by: NWolfram Sang <wsa@the-dreams.de>