tools/testing/cxl: Require cache invalidation bypass

The typical environment where cxl_test is run, QEMU, does not support
cpu_cache_invalidate_memregion(). Add the 'test' bypass symbols to the
configuration check.

Reported-by: Alison Schofield <[e-mail]>
Reviewed-by: Dave Jiang <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Dan Williams <[e-mail]>

tools/testing/cxl/config_check.c

···
 	BUILD_BUG_ON(!IS_MODULE(CONFIG_CXL_BUS));
 	BUILD_BUG_ON(!IS_MODULE(CONFIG_CXL_ACPI));
 	BUILD_BUG_ON(!IS_MODULE(CONFIG_CXL_PMEM));
+	BUILD_BUG_ON(!IS_ENABLED(CONFIG_CXL_REGION_INVALIDATION_TEST));
+	BUILD_BUG_ON(!IS_ENABLED(CONFIG_NVDIMM_SECURITY_TEST));
 }