hexagon: HMX quantized matmul rework (llama/23368)

* hmx-mm: update debug logging in hmx-mm

* hmx-mm: update dequant logic to use HVX_vector_x2/4

* hmx-mm: remove non-pipelined version of the quantize matmul

It seems that we don't reall need non-pipelined version

* hmx-mm: use activation depth mode and update naming

Co-authored-by: Kim-Chyan Gan <kgan@qti.qualcomm.com>

* hex-mm: minor hmx matmul naming updates

* hmx-mm: remove unused vars

* snapdragon: scripts bump default ubatch-size to 1K

* hexagon: combine HMX and power and clock settings into a single set_power call

* hmx-mm: remove leftover of the scale repl helper

* hexagon: fix editconf error

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Co-authored-by: Kim-Chyan Gan <kgan@qti.qualcomm.com>