[GIT PULL] rpi: updates for v2025.07

[Peter Robinson]

Hi Tom,

The following changes since commit: a08425586799374ccded78eb5fdef6e2235e1ad9

   Merge tag 'tpm-master-14042025'

are available in the Git repository at:

   https://source.denx.de/u-boot/custodians/u-boot-raspberrypi.git
tags/rpi-2025.07-rc1

for you to fetch changes up to 5f9cff14beb7b16ba799c8f43a7cca11c821929a

Updates for RPi for 2025.07:

- copy over uart clock-frequency in DT
- always set fdt_addr with firmware-provided FDT address
- Set bootm_size to 512MB
- Drop fdt_high and initrd_high
- Update environment to support booti and large initrd