spirv: add missing SPV_EXT_descriptor_indexing capabilities
Add ShaderNonUniformEXT, UniformBufferArrayNonUniformIndexingEXT, SampledImageArrayNonUniformIndexingEXT, StorageBufferArrayNonUniformIndexingEXT, StorageImageArrayNonUniformIndexingEXT, InputAttachmentArrayNonUniformIndexingEXT, UniformTexelBufferArrayNonUniformIndexingEXT and StorageTexelBufferArrayNonUniformIndexingEXT capabilities.
Fixes: 0d7607f ("anv: Implement VK_EXT_descriptor_indexing")