pds_core: add AUXILIARY_BUS and NET_DEVLINK to Kconfig

Add selecting of AUXILIARY_BUS and NET_DEVLINK to the pds_core
Kconfig.

Link: https://lore.kernel.org/netdev/ZE%2FduNH3lBLreNkJ@corigine.com/
Fixes: ddbcb220

 ("pds_core: Kconfig and pds_core.rst")
Suggested-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>