In the case of DT, the PMIC and SR initialization will be done using
a completely different mechanism.

Disable this part if a DT blob is available.
Signed-off-by: NBenoit Cousson <b-cousson@ti.com>
Acked-by: NKevin Hilman <khilman@ti.com>
Acked-by: NRob Herring <rob.herring@calxeda.com>
Acked-by: NGrant Likely <grant.likely@secretlab.ca>