Update mbed-os.lib to mbed-os-5.3.1

adbridge · adbridge · commit 2895b7e4a7fe · 2016-12-21T12:14:18.000Z
diff --git a/mbed-os.lib b/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#c3b9436e12610acaab723f730ab15b48a539a5ac
+https://github.com/ARMmbed/mbed-os/#0789928ee7f2db08a419fa4a032fffd9bd477aa7

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-https://github.com/ARMmbed/mbed-os/#c3b9436e12610acaab723f730ab15b48a539a5ac`
	`1`	`+https://github.com/ARMmbed/mbed-os/#0789928ee7f2db08a419fa4a032fffd9bd477aa7`