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
diff --git a/plat/mediatek/mt8192/drivers/mcdi/mt_lp_irqremain.c b/plat/mediatek/mt8192/drivers/mcdi/mt_lp_irqremain.c
index e74d3e7..872f4d0 100644
--- a/plat/mediatek/mt8192/drivers/mcdi/mt_lp_irqremain.c
+++ b/plat/mediatek/mt8192/drivers/mcdi/mt_lp_irqremain.c
@@ -1,12 +1,12 @@
 /*
- * Copyright (c) 2020, MediaTek Inc. All rights reserved.
+ * Copyright (c) 2020-2022, MediaTek Inc. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
 
-#include <mt_lp_rm.h>
+#include <mt_cirq.h>
 #include <mt_lp_irqremain.h>
-#include <mtk_cirq.h>
+#include <mt_lp_rm.h>
 #include <plat_mtk_lpm.h>
 
 #define EDMA0_IRQ_ID		U(448)