top: Rename "plat" to "platform" everywhere

This patch renames "plat" to "platform" everywhere for better
readablility.

Signed-off-by: Anup Patel <anup.patel@wdc.com>

platform/common/include/plat/sys/clint.h

@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2018 Western Digital Corporation or its affiliates.
+ *
+ * Authors:
+ *   Anup Patel <anup.patel@wdc.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#ifndef __SYS_CLINT_H__
+#define __SYS_CLINT_H__
+
+#include <sbi/sbi_types.h>
+
+void clint_ipi_inject(u32 target_hart, u32 source_hart);
+
+void clint_ipi_sync(u32 target_hart, u32 source_hart);
+
+void clint_ipi_clear(u32 target_hart);
+
+int clint_warm_ipi_init(u32 target_hart);
+
+int clint_cold_ipi_init(unsigned long base, u32 hart_count);
+
+u64 clint_timer_value(void);
+
+void clint_timer_event_stop(u32 target_hart);
+
+void clint_timer_event_start(u32 target_hart, u64 next_event);
+
+int clint_warm_timer_init(u32 target_hart);
+
+int clint_cold_timer_init(unsigned long base, u32 hart_count);
+
+#endif