Ensure that BIN_DIR exists when the diffconfig target needs it.
Otherwise 'make diffconfig' fails after 'make clean'
Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>
$(call sha256sums,$(BIN_DIR))
diffconfig: FORCE
$(call sha256sums,$(BIN_DIR))
diffconfig: FORCE
$(SCRIPT_DIR)/diffconfig.sh > $(BIN_DIR)/config.seed
prepare: .config $(tools/stamp-install) $(toolchain/stamp-install)
$(SCRIPT_DIR)/diffconfig.sh > $(BIN_DIR)/config.seed
prepare: .config $(tools/stamp-install) $(toolchain/stamp-install)