[GIT PULL] rpi: updates for v2025.07-rc5

[Peter Robinson]

Hi Tom,

The following changes since commit:
d7c449c3d83a986d61e38d1762433c0607caf5c5

   Prepare v2025.07-rc4

are available in the Git repository at:

   https://source.denx.de/u-boot/custodians/u-boot-raspberrypi.git
tags/rpi-2025.07-rc4

for you to fetch changes up to 0cd85170cfbe843c0927305ecabc9f772a76f58c

Updates for RPi for 2025.07-rc5:

- configs: rpi: set NR_DRAM_BANKS to 8 to accommodate RAM on 16GB models