Convert existing wkup_clkdm clocks that should be in the CM clockdomain
to cm_clkdm.  (A later patch will add CM clockdomain associations for
unassociated clocks.)

References:

OMAP2420 Multimedia Processor Silicon Revision 2.1.1, 2.2 TRM Version Q
   Figure 5-9
      - func_54m_ck, core_ck, func_96m_ck, func_48m_ck, func_12m_ck

OMAP34xx Multimedia Device Silicon Revision 3.0 Version I TRM
   Figure 4-35
      - sys_clkout2
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>