turnip: implement intrinsic_vulkan_resource_reindex
Descriptor arrays are continuous, so it's just an addition of offset.
Fixes test:
dEQP-VK.spirv_assembly.instruction.compute.variable_pointers.dynamic_offset.select_descriptor_array
Descriptor arrays are continuous, so it's just an addition of offset.
Fixes test:
dEQP-VK.spirv_assembly.instruction.compute.variable_pointers.dynamic_offset.select_descriptor_array