[Quant][Inductor] Enable quantization linear pattern fusion inside inductor (#106934)
**Summary**
Enable lowering of quantized linear in Inductor
**Test plan**
python test/inductor/test_mkldnn_pattern_matcher.py -k test_qlinear_unary
Pull Request resolved: https://github.com/pytorch/pytorch/pull/106934
Approved by: https://github.com/jgong5, https://github.com/leslie-fang-intel, https://github.com/eellison
ghstack dependencies: #105818, #106781, #106782
