nrf/Makefile: Fix .PHONY target.

It must be in uppercase.
2018-03-26 15:22:45 +02:00 · 2018-03-26 15:22:45 +02:00 · 1949719e1d
commit 1949719e1d
--- a/ports/nrf/Makefile
+++ b/ports/nrf/Makefile
@ -238,7 +238,7 @@ OBJ += $(BUILD)/pins_gen.o
 $(BUILD)/$(FATFS_DIR)/ff.o: COPT += -Os
 $(filter $(PY_BUILD)/../extmod/vfs_fat_%.o, $(PY_O)): COPT += -Os

-.phony: all flash sd binary hex
+.PHONY: all flash sd binary hex

 all: binary hex