Update submodule pointers with README link fixes (#1282)

Archit Aggarwal · web-flow · commit 38b8c96455ab · 2020-09-16T15:55:50.000-07:00
diff --git a/libraries/aws/device-shadow-for-aws-iot-embedded-sdk b/libraries/aws/device-shadow-for-aws-iot-embedded-sdk
@@ -1 +1 @@
-Subproject commit 680b759f5f98b38e751b4eabc60251f227889901
+Subproject commit 97f6123105a174a0a8c31e1f75bfdce265fde5db
diff --git a/libraries/standard/coreJSON b/libraries/standard/coreJSON
@@ -1 +1 @@
-Subproject commit 8fbbde2aa11ec03cc3eb9abf9ef267f6a5e96633
+Subproject commit 37b551f4a972f9d93234f6198fc7420fbef77aef
diff --git a/libraries/standard/coreMQTT b/libraries/standard/coreMQTT
@@ -1 +1 @@
-Subproject commit 651832c359bb30a351b37b424a463d4c5f409569
+Subproject commit a867f4cf4819f3bc9a950e0f611e1db5f8ec7c42
