idpf: initialize interrupts and enable vport

To further continue 'vport open', initialize all the resources
required for the interrupts. To start with, initialize the
queue vector indices with the ones received from the device
Control Plane. Now that all the TX and RX queues are initialized,
map the RX descriptor and buffer queues as well as TX completion
queues to the allocated vectors. Initialize and enable the napi
handler for the napi polling. Finally, request the IRQs for the
interrupt vectors from the stack and setup the interrupt handler.

Once the interrupt init is done, send 'map queue vector', 'enable
queues' and 'enable vport' virtchnl messages to the CP to complete
the 'vport open' flow.

Co-developed-by: Alan Brady <[email protected]>
Signed-off-by: Alan Brady <[email protected]>
Co-developed-by: Joshua Hay <[email protected]>
Signed-off-by: Joshua Hay <[email protected]>
Co-developed-by: Madhu Chittim <[email protected]>
Signed-off-by: Madhu Chittim <[email protected]>
Co-developed-by: Phani Burra <[email protected]>
Signed-off-by: Phani Burra <[email protected]>
Reviewed-by: Sridhar Samudrala <[email protected]>
Reviewed-by: Willem de Bruijn <[email protected]>
Signed-off-by: Pavan Kumar Linga <[email protected]>
Signed-off-by: Tony Nguyen <[email protected]>

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