Merge patch series "DDR configuration refactor and 16GB dual-rank support"

Emanuele Ghidoli <ghidoliemanuele@gmail.com> says:

From: Emanuele Ghidoli <emanuele.ghidoli@toradex.com>

This series refactors the DDR configuration handling for the
Toradex Aquila AM69 board and adds support for a 16GB dual-rank
memory configuration, while changing the HW_CFG pins value to
DDR configurations mapping.

Link: https://lore.kernel.org/r/20260309155342.145432-1-ghidoliemanuele@gmail.com