[LLVM] Update cmake maintainer

Author: nikic

llvm/Maintainers.md

@@ -305,10 +305,10 @@ [email protected] (email), [kuhar](https://github.com/kuhar) (GitHub)
 Peter Collingbourne \
 [email protected] (email), [pcc](https://github.com/pcc) (GitHub)
 
-#### CMake and library layering
+#### CMake
 
-Chandler Carruth \
-[email protected], chandlerc@google.com (email), [chandlerc](https://github.com/chandlerc) (GitHub)
+Petr Hosek \
+phosek@google.com (email), [petrhosek](https://github.com/petrhosek) (GitHub)
 
 #### Debug info
 
@@ -455,7 +455,7 @@ [email protected] (email), [lattner](https://github.com/lattner) (GitHub), clattn
 
 Paul C. Anagnostopoulos ([email protected], [Paul-C-Anagnostopoulos](https://github.com/Paul-C-Anagnostopoulos)) -- TableGen \
 Justin Bogner ([email protected], [bogner](https://github.com/bogner)) -- SelectionDAG \
-Chandler Carruth ([email protected], [email protected], [chandlerc](https://github.com/chandlerc)) -- ADT, Support \
+Chandler Carruth ([email protected], [email protected], [chandlerc](https://github.com/chandlerc)) -- ADT, Support, CMake and library layering \
 Evan Cheng ([email protected]) -- Parts of code generator not covered by someone else \
 Jake Ehrlich ([email protected], [jakehehrlich](https://github.com/jakehehrlich)) -- llvm-objcopy and ObjCopy library \
 Renato Golin ([email protected], [rengolin](https://github.com/rengolin)) -- ARM backend \