1. Retrieve extended operational memory physical pointers from the
   auxiliary device info.
2. Setup memory registers.
3. Notify firmware that the memory is ready by sending the memory
   ready command.
4. Disable PXP device if GSC is not in PXP mode.

CC: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: NTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: NAlexander Usyskin <alexander.usyskin@intel.com>
Reviewed-by: NDaniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: NDaniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220907215113.1596567-12-tomas.winkler@intel.comAcked-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NJoonas Lahtinen <joonas.lahtinen@linux.intel.com>
Acked-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NJoonas Lahtinen <joonas.lahtinen@linux.intel.com>