SAADC differential input setup. With EPD display.

Dependencies:   GDEP015OC1 acn_nrf52_saadc adc52832_common

Revision:
0:04520242cfef
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/adc52832_common.lib	Thu Sep 28 14:43:03 2017 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/teams/aconno-dev-team/code/adc52832_common/#11575dad7fae