Ahmed Azeem authored Jul 30, 2025 and Lakshmi Priya Voruganti committed Sep 03, 2025

This introduces the following:
- Separates out Xen recipes for rdaspen from common.
- Removes rdkronos related configs.
- Pins the preferred version of Xen to v4.20 for rdaspen.
- Deletes existing downstream patches for rdkronos on xen

For rdaspen, PCI passthrough, MPAM changes are removed, but
keeps the SVE configs as they are required to bootup the kernel.

Signed-off-by: Ahmed Azeem <ahmed.azeem@arm.com>