Clean all #ifdef's added to common clock code.  This code is no longer
needed due to migration to the common clock framework.
Signed-off-by: NMike Turquette <mturquette@ti.com>
[paul@pwsan.com: clean up new ifdefs added in clockdomain.c]
Signed-off-by: NPaul Walmsley <paul@pwsan.com>