clk: vexpress-osc: add missing MODULE_DESCRIPTION() macro

With ARCH=arm64, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/clk/versatile/clk-vexpress-osc.o

Add the missing invocation of the MODULE_DESCRIPTION() macro.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240613-md-arm64-drivers-clk-versatile-v1-1-6b8a5e5e00ef@quicinc.comAcked-by: Sudeep Holla <sudeep.holla@arm.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

drivers/clk/versatile/clk-vexpress-osc.c

@@ -119,4 +119,5 @@ static struct platform_driver vexpress_osc_driver = {
 	.probe = vexpress_osc_probe,
 };
 module_platform_driver(vexpress_osc_driver);
+MODULE_DESCRIPTION("Clock driver for Versatile Express OSC clock generators");
 MODULE_LICENSE("GPL v2");