i965: Use ull immediates in brw_inst_bits
i965: Use ull immediates in brw_inst_bits

This fixes a regression introduced in b1a83b5d1 that caused basically all
shaders to fail to compile on 32-bit platforms.

Reported-by: Mark Janes <dc19c7a5044e1b627d35321fa5e1121fad8638f9@intel.com>
Reviewed-by: Matt Turner <789b315743a28dd066a4ba1459c35951c291d8a6@gmail.com>

metora/MesaGLSLCompiler,metora/MesaGLSLCompiler,metora/MesaGLSLCompiler