The patch converts mxs platform code to clk_prepare/clk_unprepare
by using helper functions clk_prepare_enable/clk_disable_unprepare.
Signed-off-by: NRichard Zhao <richard.zhao@linaro.org>
Signed-off-by: NShawn Guo <shawn.guo@linaro.org>

It is used for example in the i2c driver which can be compiled modular.
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de>

 - The mxs wdog is implemented in RTC block.
 - There is a generic software reset routine for most modules on mxs.
Signed-off-by: NShawn Guo <shawn.guo@freescale.com>
Signed-off-by: NUwe Kleine-König <u.kleine-koenig@pengutronix.de>