gallium/radeon: enable the GPU load query for amdgpu
gallium/radeon: enable the GPU load query for amdgpu

Reviewed-by: Alex Deucher <08dc22c6156113f2deff178e35e3ed9b24d6af9e@amd.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler