configure.ac: require libdrm_amdgpu 2.4.77
configure.ac: require libdrm_amdgpu 2.4.77

The sparse buffer implementation requires amdgpu_bo_va_op_raw.

Reviewed-by: Marek Olšák <8c7344a1abdb103e79ecfd488098373070c3c70e@amd.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler