qualcommbe: support 10g-qxgmii in QCA8084 PHY driver

qualcommbe: support 10g-qxgmii in QCA8084 PHY driver

The "old" QCA8084 PHY driver does not implement 10g-qxgmii support.
This is blocking several devices which use the QCA8084 form being
merged. Qualcomm has provided updated drivers for the MAC (ppe), PCS,
and PHY via github. We only need to update the PHY driver.

Update the QCA8084 PHY driver using the patches provided by Qualcomm.
Re-organize the patches so that the changes go into the existing
patches. The SERDES functionality is new, so it gets new patches. This
is sufficient to enable 10g-qxgmii on ipq95xx platforms.

Signed-off-by: Alexandru Gagniuc <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/20721
Signed-off-by: Robert Marko <[email protected]>