Adds POST test for BMP280 sensor board. Includes driver

Dependencies:   BMP280 ELEC350-Practicals-FZ429 BME280

Fork of Task690-mbed-os-FZ429ZI by University of Plymouth - Stages 1, 2 and 3

Revision:
0:1ce5a958aaf8
Child:
1:d3ed3e830dd1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SDBlockDevice.lib	Fri Oct 20 11:29:41 2017 +0000
@@ -0,0 +1,1 @@
+SDBlockDevice#ff16730e37c0