net: ibmveth: Indented struct ibmveth_adapter correctly

Made struct ibmveth_adapter follow indentation rules

Signed-off-by: Dave Marquardt <davemarq@linux.ibm.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250501194944.283729-2-davemarq@linux.ibm.com


Signed-off-by: Paolo Abeni <pabeni@redhat.com>