spi/bfin_spi: convert struct names to something more logical
spi/bfin_spi: convert struct names to something more logical

The current structure names are a bit confusing as to what they represent,
so use better names.

Reported-by: David Brownell <a0d09457d62acbdeb1fae1223575100ccbfffdf9@users.sourceforge.net>
Signed-off-by: Mike Frysinger <8f3f75c74bd5184edcfa6534cab3c13a00a2f794@gentoo.org>

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