fix missing cflag defeating the board gating

kvc0 · kvc0 · commit 5cadf525bdf2 · 2020-10-10T15:45:08.000-07:00
diff --git a/py/circuitpy_mpconfig.mk b/py/circuitpy_mpconfig.mk
@@ -32,6 +32,8 @@
 CIRCUITPY_FULL_BUILD ?= 1
 CFLAGS += -DCIRCUITPY_FULL_BUILD=$(CIRCUITPY_FULL_BUILD)
 
+MICROPY_PY_ASYNC_AWAIT ?= $(CIRCUITPY_FULL_BUILD)
+CFLAGS += -DMICROPY_PY_ASYNC_AWAIT=$(MICROPY_PY_ASYNC_AWAIT)
 
 CIRCUITPY_AESIO ?= 0
 CFLAGS += -DCIRCUITPY_AESIO=$(CIRCUITPY_AESIO)
