feat(plat/mediatek/apu): add mt8195 APU clock and pll SiP call

The clock and pll of mt8195 can be locked into security access
by device apc. Add clock and pll related SiP call for the access
from Kernel space.

Change-Id: I0c1f7d6c6abdd3b976492a0b776dc5b1d1f1512b
diff --git a/plat/mediatek/mt8195/drivers/apusys/apupwr_clkctl.h b/plat/mediatek/mt8195/drivers/apusys/apupwr_clkctl.h
new file mode 100644
index 0000000..3b27c1b
--- /dev/null
+++ b/plat/mediatek/mt8195/drivers/apusys/apupwr_clkctl.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef APUPWR_CLKCTL_H
+#define APUPWR_CLKCTL_H
+
+#include <arch_helpers.h>
+#include <apupwr_clkctl_def.h>
+
+int32_t apupwr_smc_acc_init_all(void);
+void apupwr_smc_acc_top(bool enable);
+int32_t apupwr_smc_acc_set_parent(uint32_t freq, uint32_t domain);
+int32_t apupwr_smc_pll_set_rate(uint32_t pll, bool div2, uint32_t domain);
+int32_t apupwr_smc_bulk_pll(bool enable);
+void apupwr_smc_bus_prot_cg_on(void);
+
+int32_t apu_pll_enable(int32_t pll_idx, bool enable, bool fhctl_en);
+int32_t anpu_pll_set_rate(enum dvfs_voltage_domain domain,
+			  enum pll_set_rate_mode mode, int32_t freq);
+#endif /* APUPWR_CLKCTL_H */