[quant][executorch] Support quant fusion for reshape in quant in executorch stack (#88858)
Summary: This diff added support for fusing "dq - reshape - q" to a reshape op, the op is needed in wakeword model
Test Plan: buck test executorch/exir/tests:quant_fusion_pass
Reviewed By: qihqi, JacobSzwejbka
Differential Revision: D41111069
Pull Request resolved: https://github.com/pytorch/pytorch/pull/88858
Approved by: https://github.com/JacobSzwejbka
