travis: Update tools component before platform-tools
travis: Update tools component before platform-tools

In order to get the latest version of platform-tools, the tools
component must be updated first.

Signed-off-by: Greg Meiste <8a8f45e57c045ec63dc7e56e5eda862ea8c7cd4f@gmail.com>

meisteg/RaspberryPiTempAlarm,meisteg/RaspberryPiTempAlarm,meisteg/RaspberryPiTempAlarm