Remove a bunch of copy-paste: use common config for sanitizer lit/unit tests

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@183407 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/lit.common.configured.in b/lib/lit.common.configured.in
index 5ca9b1b..f7c29f6 100644
--- a/lib/lit.common.configured.in
+++ b/lib/lit.common.configured.in
@@ -3,7 +3,9 @@
 
 # Generic config options for all compiler-rt lit tests.
 config.target_triple = "@TARGET_TRIPLE@"
+config.host_arch = "@HOST_ARCH@"
 config.host_os = "@HOST_OS@"
+config.llvm_build_mode = "@LLVM_BUILD_MODE@"
 config.llvm_src_root = "@LLVM_SOURCE_DIR@"
 config.llvm_obj_root = "@LLVM_BINARY_DIR@"
 config.compiler_rt_src_root = "@COMPILER_RT_SOURCE_DIR@"