Revert "net: stmmac: Enable Per DMA Channel interrupt"

Revert "net: stmmac: Use interrupt mode INTM=1 for per channel irq"
This reverts commit 36af9f25.
Revert "net: stmmac: Add support for TX/RX channel interrupt"
This reverts commit 9072e03d.
Revert "net: stmmac: Make MSI interrupt routine generic"
This reverts commit 477bd4be.
Revert "dt-bindings: net: snps,dwmac: per channel irq"
This reverts commit 67d47c8a.

Device tree bindings need to be reviewed.

Link: https://lore.kernel.org/all/2df9fe3e-7971-4aa2-89a9-0e085b3b00d7@linaro.org/


Signed-off-by: Jakub Kicinski <kuba@kernel.org>