Update git submodules

diff --git a/platform/external/libchrome b/platform/external/libchrome
index 3dc9109..4a54b98 160000
--- a/platform/external/libchrome
+++ b/platform/external/libchrome
@@ -1 +1 @@
-Subproject commit 3dc91090b75cd8f8d503b4cbcbe31999620fb86a
+Subproject commit 4a54b98aa445f521c6945e4f4a1e0ea788fa7da8
diff --git a/platform/superproject b/platform/superproject
index fa27ca9..6c122fa 160000
--- a/platform/superproject
+++ b/platform/superproject
@@ -1 +1 @@
-Subproject commit fa27ca9d5897cdc2fe9a88d84c38e678ef821d0f
+Subproject commit 6c122fa4e0a0fe2215f1ed3d7ae430a4cb1f1882