Use Andre Richter's Makefile with small changes

* From https://github.com/rust-embedded/rust-raspi3-tutorial/

Makefile

@@ -0,0 +1,62 @@
+#
+# MIT License
+#
+# Copyright (c) 2018 Andre Richter <andre.o.richter@gmail.com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+#
+
+TARGET = aarch64-vesper-metta
+TARGET_JSON = targets/$(TARGET).json
+
+SOURCES = $(wildcard **/*.rs) $(wildcard **/*.S) $(wildcard **/*.ld)
+
+OBJCOPY = cargo objcopy --
+OBJCOPY_PARAMS = --strip-all -O binary
+
+UTILS_CONTAINER = andrerichter/raspi3-utils
+DOCKER_CMD = docker run -it --rm -v $(shell pwd):/work -w /work
+QEMU_CMD = qemu-system-aarch64 -M raspi3 -kernel kernel8.img
+
+.PHONY: all qemu clippy clean objdump nm
+
+all: clean kernel8.img
+
+target/$(TARGET)/release/vesper: $(SOURCES)
+	cargo xbuild --target=$(TARGET_JSON) --release
+
+kernel8.img: target/$(TARGET)/release/vesper
+	cp $< ./kernel8
+	$(OBJCOPY) $(OBJCOPY_PARAMS) $< kernel8.img
+
+qemu: all
+	$(DOCKER_CMD) $(UTILS_CONTAINER) $(QEMU_CMD) -d in_asm
+
+clippy:
+	cargo xclippy --target=$(TARGET_JSON)
+
+clean:
+	cargo clean
+
+objdump:
+	cargo objdump --target $(TARGET_JSON) -- -disassemble -print-imm-hex kernel8
+
+nm:
+	cargo nm --target $(TARGET_JSON) -- kernel8 | sort
+