Split base/ into base/ and tools/

Signed-off-by: Riyaz Faizullabhoy <riyaz.faizullabhoy@docker.com>

docs/hub.md

@@ -5,7 +5,7 @@ generally with tags based on the image contents.
 
 - `mobylinux/alpine-base` the base packages for Moby, before we add Docker and our code and config
 - `mobylinux/alpine-build-c` for building C code
-- `mobylinux/alpine-bios` for building BIOS image
+- `mobylinux/mkimage-iso-bios` for building BIOS image
 - `mobylinux/alpine-efi` for building efi images
 - `mobylinux/alpine-qemu` for Qemu eg for the tests
 - `mobylinux/go-compile` for building Go code

tools/.gitignore

@@ -0,0 +1 @@
+hash

tools/Makefile

@@ -0,0 +1,10 @@
+DIRS = $(shell find . -type d -depth 1)
+.PHONY: clean dirs $(DIRS)
+
+push: $(DIRS)
+
+$(DIRS):
+	$(MAKE) -C $@
+
+clean:
+	rm -f hash