pds_core: init viftype default in declaration

Initialize the .enabled field of the FWCTL viftype default in
the declaration rather than as a bit of code as it is always
to be enabled and needs no logic around it.

Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>