esp8266/Makefile: Support linking with axTLS built from source.

esp8266/Makefile

@@ -34,10 +34,10 @@ CFLAGS_XTENSA = -fsingle-precision-constant -Wdouble-promotion \
 	-DLWIP_OPEN_SRC
 
 CFLAGS = $(INC) -Wall -Wpointer-arith -Werror -ansi -std=gnu99 -nostdlib -DUART_OS=$(UART_OS) \
-	$(CFLAGS_XTENSA) $(COPT) $(CFLAGS_EXTRA)
+	$(CFLAGS_XTENSA) $(CFLAGS_MOD) $(COPT) $(CFLAGS_EXTRA)
 
 LDFLAGS = -nostdlib -T esp8266.ld -Map=$(@:.elf=.map) --cref
-LIBS = -L$(ESP_SDK)/lib -lmain -ljson -lssl -llwip_open -lpp -lnet80211 -lwpa -lphy -lnet80211
+LIBS = -L$(ESP_SDK)/lib -lmain -ljson -llwip_open -lpp -lnet80211 -lwpa -lphy -lnet80211 $(LDFLAGS_MOD)
 
 LIBGCC_FILE_NAME = $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
 LIBS += -L$(dir $(LIBGCC_FILE_NAME)) -lgcc