Quick compiler: more refactoring

Focus on header file cleanup here.  Note: target_list.h
is transitional, and upcoming CLs will do additional header
file reorganization.

Change-Id: If86e1a8c1c43305762fe37b157a9d3c17d911ea7
diff --git a/src/compiler/codegen/mips/backend_mips.cc b/src/compiler/codegen/mips/backend_mips.cc
index 023d613..596a5f7 100644
--- a/src/compiler/codegen/mips/backend_mips.cc
+++ b/src/compiler/codegen/mips/backend_mips.cc
@@ -16,17 +16,14 @@
 
 #define _CODEGEN_C
 
-#include "../../dalvik.h"
-#include "../../compiler_internals.h"
 #include "mips_lir.h"
-#include "../ralloc.h"
-#include "codegen.h"
+#include "../ralloc_util.h"
 
 /* Common codegen building blocks */
 #include "../codegen_util.cc"
 
 #include "utility_mips.cc"
-#include "../codegen_factory.cc"
+#include "../gen_loadstore.cc"
 #include "../gen_common.cc"
 #include "../gen_invoke.cc"
 #include "call_mips.cc"