Add cc_toolchain targets for the new entries in the default cc_toolchain_suite.

Fixes #6662.
Closes #6663.

PiperOrigin-RevId: 221271701

Author: katre

tools/cpp/BUILD

@@ -93,17 +93,17 @@ cc_toolchain_suite(
         "armeabi-v7a|compiler": ":cc-compiler-armeabi-v7a",
         "darwin|compiler": ":cc-compiler-darwin",
         "freebsd|compiler": ":cc-compiler-freebsd",
-        "local|compiler": ":cc-compiler-local-local",
+        "local|compiler": ":cc-compiler-local",
         "x64_windows|compiler": ":cc-compiler-x64_windows",
         "x64_windows_msvc|compiler": ":cc-compiler-x64_windows_msvc",
         "ppc|compiler": ":cc-compiler-ppc",
-        "k8": ":cc-compiler-local-k8",
-        "piii": ":cc-compiler-local-piii",
-        "arm": ":cc-compiler-local-arm",
-        "aarch64": ":cc-compiler-local-aarch64",
-        "s390x": ":cc-compiler-local-s390x",
-        "ppc": ":cc-compiler-local-ppc",
-        "ppc64": ":cc-compiler-local-ppc64",
+        "k8": ":cc-compiler-local",
+        "piii": ":cc-compiler-local",
+        "arm": ":cc-compiler-local",
+        "aarch64": ":cc-compiler-local",
+        "s390x": ":cc-compiler-local",
+        "ppc": ":cc-compiler-local",
+        "ppc64": ":cc-compiler-local",
         "darwin": ":cc-compiler-darwin",
         "freebsd": ":cc-compiler-freebsd",
         "armeabi-v7a": ":cc-compiler-armeabi-v7a",