* add temporary pdhelix(Patched Helix) code
* add test code into quantum/split_common/matrix.c
* add test code into keyboards/handwired/pdhelix/
* Revert "add test code into keyboards/handwired/pdhelix/"
This reverts commit 9ed98f0797ddd962c99756689fc4ecb4cd067d3d.
* Revert "add test code into quantum/split_common/matrix.c"
This reverts commit 1876d3ed69f6c213153a9f6476192be839f16c1f.
* Revert "add temporary pdhelix(Patched Helix) code"
This reverts commit 41ac92b814e3f894eaf85bc3e5bb945895342fa8.
* fix quantum/split_common/matrix.c: select_col()/select_row()
030faf951c