soc/mediatek: Move dapc_init to common

dapc_init flow is the same on MT8186, MT8188 and MT8195. So move this
function to common/devapc.c

TEST=emerge-corsola coreboot; emerge-cherry coreboot;
     emerge-geralt coreboot
TEST=devapc log is shown as expected and the system boots to kernel

Change-Id: I979c3a3721a82d40c9e2db7fbe62e14a9bbd53d8
Signed-off-by: Yidi Lin <yidilin@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/71137
Reviewed-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
diff --git a/src/soc/mediatek/mt8195/soc.c b/src/soc/mediatek/mt8195/soc.c
index 9383ac7..2ecc31e 100644
--- a/src/soc/mediatek/mt8195/soc.c
+++ b/src/soc/mediatek/mt8195/soc.c
@@ -5,6 +5,7 @@
 #include <device/device.h>
 #include <device/pci.h>
 #include <soc/apusys.h>
+#include <soc/apusys_devapc.h>
 #include <soc/devapc.h>
 #include <soc/dfd.h>
 #include <soc/emi.h>
@@ -31,6 +32,7 @@
 {
 	mtk_mmu_disable_l2c_sram();
 	dapc_init();
+	start_apusys_devapc();
 	apusys_init();
 	mcupm_init();
 	sspm_init();