Russ Butler / Mbed OS k64f-lp_ticker-failure-2

Reproduce K64F lpticker failure using a pending overflow interrupt

Diff: mbed-os.lib

Revision:
0:ec50e23dc211
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os.lib	Sat Jun 03 01:28:31 2017 +0000
@@ -0,0 +1,1 @@
+https://github.com/ARMmbed/mbed-os/#5fff7e1daeb395aa3d1ecf3f9ec3f4fead3de0c2