There is some amount of code duplication between mpc8610_hpcd and
p1022_ds machine drivers, and the same code will be duplicated again
when another new machine driver is added.  The patch creates fsl_utils
to accommodate the common functions to stop the code duplication.
Signed-off-by: NShawn Guo <shawn.guo@linaro.org>
Acked-by: NSascha Hauer <s.hauer@pengutronix.de>
Acked-by: NTimur Tabi <timur@freescale.com>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>