Update axi_dmac core

* Minor whitespace cleanups
* Add support for sync on start of transfer to the fifo interface

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

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Update axi_ad9361 core

* Add underflow and overflow signals
* Add support for sync on start of transfer

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
axi_{ad9643,ad9122}_v6_00: Remove unused modules form pao file

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Sync projects to latest version

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