qualcommax: ipq50xx: update patches for IPQ5018 GE PHY

qualcommax: ipq50xx: update patches for IPQ5018 GE PHY

Use latest patches sent upstream for review for IPQ5018 GE PHY support:
- Move enablement of the LDO controller to the mdio-ipq4019 driver away
  from the CMN PLL driver
- Remove the different patches to add CDT, MSE, AZ, and DAC support they
  are all contained in the upstreamed driver.

Accordingly, also set the right property in the DTS for Linksys SPNMX56
to set the right DAC values to accommodate for the short cable length.

Signed-off-by: George Moussalem <george.moussalem@outlook.com>
Link: https://github.com/openwrt/openwrt/pull/18774
Signed-off-by: Robert Marko <robimarko@gmail.com>