common: Set cpu interconnect strategy to minimize area

There will rarely be concurrent access to the peripheral control bus
interconnect, so there is no need to optimize for performace. Setting the
interconnect strategy to minimize area can reduce the resource usage by
~90%.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
common: Connect audio clkgen reset

While we are at it also hide the unused locked pin.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
fmcomms1: Connect DMA controller directly to the HP ports

The AXI DMAC controller nativly supports AXI3, there is no need to insert a interconnect to do protocol conversion.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>