Convert the Makefile to a more standard format and don't forcefully
overwrite a users enviroment.
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Instead of using a confusing and custom option, allow verbose Makefile
with the standard V=1.
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
