mb/prodrive/atlas: Enable UFS and ISH

The PCI Local Bus Specification Revision 3.0 requires that
multi-function devices always implement function 0. Because of
this, enabling UFS (PCI device 12.7) requires ISH (PCI device 12.0)
to be enabled as well.

Signed-off-by: Lean Sheng Tan <sheng.tan@9elements.com>
Change-Id: Ia8b9561973640edc5f7d0f579dd640e805c0af17
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63719
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

src/mainboard/prodrive/atlas/devicetree.cb

@@ -90,6 +90,8 @@ chip soc/intel/alderlake
 		device ref pcie4_0 on end
 		device ref pcie4_1 on end
 		device ref crashlog off end
+		device ref ish on end
+		device ref ufs on end
 		device ref xhci on end
 		device ref heci1 on end
 		device ref sata on end