scripts: build-all.py: append llvm to the config file

To detect that the Kernel is being compiled with llvm, append llvm
to the config file.

Change-Id: Iba2f4f83f5ab091c7906dc66ad11cc88bcdfe2b9
Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
diff --git a/scripts/build-all.py b/scripts/build-all.py
index f5e5fa2..c057b12 100755
--- a/scripts/build-all.py
+++ b/scripts/build-all.py
@@ -326,7 +326,7 @@
     if 'CROSS_COMPILE64' in os.environ:
         for p in arch64_pats:
             for n in glob.glob('arch/arm64/configs/' + p):
-                name = os.path.basename(n)[:-10] + "-64"
+                name = os.path.basename(n)[:-10] + "-llvm" + "-64"
                 names.append(Builder(name, n))
     return names