serial for coragem

Revision:
0:d32c60c1d9b5
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed_coragem.lib	Thu Mar 26 13:01:56 2020 +0000
@@ -0,0 +1,1 @@
+https://github.com/leiachewbacca/mbed_coragem.git/#b8dad0652c9cd2321126a590280a18a964e1eed0