mediatek: mt8192: Add Vcore DVFS driver

Change-Id: I4bd4612a7c7727a5be70957ae940e5f51c7ca5e6
diff --git a/plat/mediatek/mt8192/drivers/spm/mt_spm_conservation.c b/plat/mediatek/mt8192/drivers/spm/mt_spm_conservation.c
index 0676f3e..f9e6654 100644
--- a/plat/mediatek/mt8192/drivers/spm/mt_spm_conservation.c
+++ b/plat/mediatek/mt8192/drivers/spm/mt_spm_conservation.c
@@ -11,6 +11,7 @@
 #include <mt_spm_conservation.h>
 #include <mt_spm_internal.h>
 #include <mt_spm_reg.h>
+#include <mt_spm_vcorefs.h>
 #include <plat_mtk_lpm.h>
 #include <plat_pm.h>
 #include <plat/common/platform.h>
@@ -31,6 +32,7 @@
 	__spm_set_cpu_status(cpu);
 	__spm_set_power_control(pwrctrl);
 	__spm_set_wakeup_event(pwrctrl);
+	__spm_sync_vcore_dvfs_power_control(pwrctrl, __spm_vcorefs.pwrctrl);
 	__spm_set_pcm_flags(pwrctrl);
 	__spm_src_req_update(pwrctrl, resource_req);