Add a recipe for Installer, a minimal library/tool to install Python
Wheels. Unlike PIP, it explicitly only installs wheels and does nothing
else.
(From OE-Core rev: bf09c0bd99e4defbc259775b4a2e3fcce09bde17)
Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
