clk: sifive: prci: fix module autoloading

Add MODULE_DEVICE_TABLE(), so modules could be properly autoloaded
based on the alias from of_device_id table.  Clocks are considered core
components, so usually they are built-in, however these can be built and
used as modules on some generic kernel.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Link: https://lore.kernel.org/r/20240604130531.170371-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

Author: krzk

drivers/clk/sifive/sifive-prci.c

@@ -611,6 +611,7 @@ static const struct of_device_id sifive_prci_of_match[] = {
 	{.compatible = "sifive,fu740-c000-prci", .data = &prci_clk_fu740},
 	{}
 };
+MODULE_DEVICE_TABLE(of, sifive_prci_of_match);
 
 static struct platform_driver sifive_prci_driver = {
 	.driver = {