remoteproc/omap: Remove the platform_data header

The platform data header for OMAP remoteproc is no longer used for
anything post ti-sysc and DT conversion, so just remove it completely.

Signed-off-by: Tero Kristo <[email protected]>
Acked-by: Suman Anna <[email protected]>
Reviewed-by: Andrew F. Davis <[email protected]>
Acked-by: Mathieu Poirier <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Bjorn Andersson <[email protected]>

Author: Tero Kristo