- Update subtarget configs for kernel 6.12.
- Refresh patches for kernel 6.12.
- Drop 210-revert-macronix-nand-block-protection.patch since brcmnand no longer
implements low level ops.
- Adapt bcm63268 gpio switches for 6.12 numbering.
- Add b53 pending patches from Jonas Gorski to fix system hangs.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>