[EXTERNAL] [PATCH v4 2/7] drivers: drop export of driver headers

[Akhil Goyal]

> Many classes are exposing driver only headers as public headers.
> Move them to the driver_sdk_headers list.
> 
> Signed-off-by: David Marchand <david.marchand at redhat.com>
> Acked-by: Bruce Richardson <bruce.richardson at intel.com>
> Acked-by: Andrew Rybchenko <andrew.rybchenko at oktetlabs.ru>
> ---
> Changes since v2:
> - rebased,
> 
Acked-by: Akhil Goyal <gakhil at marvell.com>