feat(mediatek): move mtk_cirq.c drivers to cirq folder

To use cirq drivers more easier, we place mtk_cirq.c and mtk_cirq.h
to common/drivers/cirq.

We also rename mtk_cirq.c/h to mt_cirq.c/h for consistency with other
driver folders.

TEST=build pass for mt8192/mt8195/mt8186
BUG=b:236331724

Change-Id: I71bc442f00b16fb4031260937982c0496fcaaea0
14 files changed