Corrected issue where accelerometer names were incorrectly prefixed
with "adxl345", preventing the selection of other chip types when running TEST_RESONANCES.
Implemented support for selecting the `accel_per_hz` parameter when running TEST_RESONANCES.
docs: Update TEST_RESONANCES + SHAPER_CALIBRATE with missing parameters and bracket corrections
Signed-off-by: Maksim Bolgov <maksim8024@gmail.com>