lib: Add SG2044 CPPC support

Signed-off-by: haijiao.liu <haijiao.liu@sophgo.com>

lib/utils/clk/fdt_clk.c

@@ -0,0 +1,18 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2025 Sophgo Inc.
+ *
+ * Authors:
+ *   Haijiao Liu <haijiao.liu@sophgo.com>
+ */
+
+#include <sbi_utils/clk/fdt_clk.h>
+
+/* List of FDT clock drivers generated at compile time */
+extern const struct fdt_driver *const fdt_clk_drivers[];
+
+void fdt_clk_init(const void *fdt)
+{
+	fdt_driver_init_all(fdt, fdt_clk_drivers);
+}