Merge branch 'mchomicz_spirv_assembly_opcopyobject_spotcheck' into 'master'

Fix dEQP-VK.spirv_assembly.instruction.compute.opcopyobject.spotcheck

Shader in the test extracts an column from a matrix (%c_fmat_copy) , but the result type of the operation is said to be a float scalar.

See merge request !323

diff --cc external/vulkancts/modules/vulkan/spirv_assembly/vktSpvAsmInstructionTests.cpp
Simple merge