Most distributions include a duktape.pc file bundled with the duktape
development package. As the duktape source does not include a .pc file,
add one to the package/duktape directory and install it to the staging
directory. This is used by the polkit duktape patch later in the series.
Signed-off-by: Adam Duskett <aduskett@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
