ARM: OMAP4: PM: Adapt the existing OMAP2/3 Clock Domain Frameworks.

The introduction of the OMAP4 Clock Domain framework requires
some adaptaions to be done in the earlier files to place the
common and uncommon data in the proper places where they belong.

Signed-off-by: Abhijit Pagare <abhijitpagare@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>