Updating mbed-os to mbed-os-5.1.2

sg- · sg- · commit d22a0db88038 · 2016-08-19T17:54:39.000-05:00
diff --git a/mbed-os.lib b/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#0993ae540c5c4b5ce3004bead1aefc0c6d1b3ea0
+https://github.com/ARMmbed/mbed-os/#d2202045ac8f2fc63836a5b7131c9b56ac58f06a

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-https://github.com/ARMmbed/mbed-os/#0993ae540c5c4b5ce3004bead1aefc0c6d1b3ea0`
	`1`	`+https://github.com/ARMmbed/mbed-os/#d2202045ac8f2fc63836a5b7131c9b56ac58f06a`