platform/goldfish: goldfish_pipe: add missing MODULE_DESCRIPTION() macro

With arch=x86, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/platform/goldfish/goldfish_pipe.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/20240615-goldfish_pipe-md-v2-1-b4323a969594@quicinc.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/platform/goldfish/goldfish_pipe.c

@@ -946,4 +946,5 @@ static struct platform_driver goldfish_pipe_driver = {
 
 module_platform_driver(goldfish_pipe_driver);
 MODULE_AUTHOR("David Turner <digit@google.com>");
+MODULE_DESCRIPTION("Goldfish virtual device for QEMU pipes");
 MODULE_LICENSE("GPL v2");