updated for mbed-os 5.5

Fork of Task324Solution by Nicholas Outram

Revision:
3:2f6da507b847
Parent:
1:9026e1e25f5c
--- a/mbed-os.lib	Mon Oct 07 12:24:37 2019 +0000
+++ b/mbed-os.lib	Mon Oct 07 12:27:05 2019 +0000
@@ -1,1 +1,1 @@
-https://github.com/ARMmbed/mbed-os/#1bf6b20df9d3cd5f29f001ffc6f0d0fcbbb96118
+https://github.com/ARMmbed/mbed-os/#e83fd322bd9177f60ccfd6712849b7db71869f00