Merge tag 'qcom-for-2026.01-rc2' of https://source.denx.de/u-boot/custodians/u-boot...

Merge tag 'qcom-for-2026.01-rc2' of https://source.denx.de/u-boot/custodians/u-boot-snapdragon

A variety of Qualcomm features/fixes for this cycle, notably with a few
new platforms gaining support:

* Initial support for SDM670 (similar to SDM845), SM6350, and SM7150
  platforms is added
* USB and UART issues on MSM8916 are addressed (improving stability/
  reliability)
* Firmware loading is implemented for the GENI serial engine, this is
  used on some platforms to load firmware for i2c/spi/uart to work

Some additional patches like binman support for building MBN files still
need some additional work.

CI: https://source.denx.de/u-boot/custodians/u-boot-snapdragon/-/commit/8ef6ac07b35e39a57501554680bbf452e818d3e3/pipelines?ref=qcom-main