Host toolchain minimal features

Test Plan: Tested with QEMU and the existing codebase.

X-Origin-Diff: phab/D713
GitOrigin-RevId: ecfc94ab2b4880447c628fc2e41b5ed6234f90d8
diff --git a/third_party/qboot/qboot.bzl b/third_party/qboot/qboot.bzl
index bd86d98..b873d09 100644
--- a/third_party/qboot/qboot.bzl
+++ b/third_party/qboot/qboot.bzl
@@ -45,6 +45,7 @@
         "-minline-all-stringops",
         "-fno-pic",
     ],
+    features = ["-link_full_libc", "-cpp"],
     includes = [
         "include",
     ],