testing: nvdimm: Add MODULE_DESCRIPTION() macros

When building with W=1 the following errors are seen:

WARNING: modpost: missing MODULE_DESCRIPTION() in tools/testing/nvdimm/test/nfit_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in tools/testing/nvdimm/test/ndtest.o

Add the required MODULE_DESCRIPTION() to the test platform device
drivers.
Suggested-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://patch.msgid.link/r/20240611-nvdimm-test-mod-warn-v1-1-4a583be68c17@intel.comSigned-off-by: Ira Weiny <ira.weiny@intel.com>

tools/testing/nvdimm/test/ndtest.c

@@ -987,5 +987,6 @@ static __exit void ndtest_exit(void)
 
 module_init(ndtest_init);
 module_exit(ndtest_exit);
+MODULE_DESCRIPTION("Test non-NFIT devices");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("IBM Corporation");

tools/testing/nvdimm/test/nfit.c

@@ -3382,5 +3382,6 @@ static __exit void nfit_test_exit(void)
 
 module_init(nfit_test_init);
 module_exit(nfit_test_exit);
+MODULE_DESCRIPTION("Test ACPI NFIT devices");
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Intel Corporation");