spi_mpc8xxx: Factor out SPI mode change steps into a call
spi_mpc8xxx: Factor out SPI mode change steps into a call

We'll add more steps soon, so get rid of the duplication.

Signed-off-by: Anton Vorontsov <f72eea26502475052d15bdce621d2155da84f214@ru.mvista.com>
Acked-by: David Brownell <a0d09457d62acbdeb1fae1223575100ccbfffdf9@users.sourceforge.net>
Signed-off-by: Kumar Gala <383ef5577c6e1178b93f59ec8d0936f76d2a98c4@kernel.crashing.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs