Damien George 0a6c479187 lib/cmsis: Upgrade to CMSIS 5.5.1. ...

From https://github.com/ARM-software/CMSIS_5.git, tag 5.5.1

2019-06-03 14:40:57 +10:00

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inc

lib/cmsis: Upgrade to CMSIS 5.5.1.

2019-06-03 14:40:57 +10:00