[clang-tidy] Fix module registry name and description for Darwin clang-tidy module.

Summary: When creating the module, must have copy-pasted from the misc module, and forgotten to update the name/description of the module in the registry.

Reviewers: stephanemoore, benhamilton, gribozavr

Reviewed By: gribozavr

Subscribers: xazax.hun, cfe-commits

Tags: #clang, #clang-tools-extra, #llvm

Differential Revision: https://reviews.llvm.org/D68251

git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@373304 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed