QcomModulePkg: Library: Switch the Bootlun if slot is unbootable

When a slot is marked unbootable, bootloader switches to the other
bootable slot. Ensure to switch the Bootlun to match with Slot switch.

CRs-Fixed: 1075737
Change-Id: Icee16f0d1d3cfa5d09cf3efc1f7a1858de803ea9
1 file changed