Merge pull request #122 from jk-ozlabs/master

buildroot: Update to f462e06a
diff --git a/buildroot b/buildroot
index 3120591..f462e06 160000
--- a/buildroot
+++ b/buildroot
@@ -1 +1 @@
-Subproject commit 31205912fed95fa0edf1adc5d89dc78d7a068a29
+Subproject commit f462e06ab10035029f24d494d9936fcb8c6cf49a