OMAP4: powerdomain data: Fix indentation

Indent flags to be aligned with other fields.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
[paul@pwsan.com: split this patch from an earlier patch by Benoît;
 edited commit message]
Signed-off-by: Paul Walmsley <paul@pwsan.com>