Add lfclk_flags to BBC micro:bit variant

sandeepmistry · sandeepmistry · commit 14ad8b6431b3 · 2016-09-11T19:49:41.000-04:00
diff --git a/boards.txt b/boards.txt
@@ -205,6 +205,8 @@ BBCmicrobit.build.extra_flags=-DNRF51
 BBCmicrobit.build.float_flags=
 BBCmicrobit.build.ldscript=nrf51_xxaa.ld
 
+BBCmicrobit.build.lfclk_flags=-DUSE_LFRC
+
 BBCmicrobit.menu.softdevice.none=None
 BBCmicrobit.menu.softdevice.none.softdevice=none
 
