Update platformio.ini

yangosoft · web-flow · commit c3c34d6b1d78 · 2018-11-30T11:59:22.000+01:00
Removed mbed added flags
diff --git a/platformio.ini b/platformio.ini
@@ -14,3 +14,4 @@ board = disco_f429zi
 framework = mbed
 upload_protocol = stlink
 build_flags = -std=c++14
+build_unflags = -std=gnu++98
