test/nginx.conf: fix bundle access via 9p in qemu
test/nginx.conf: fix bundle access via 9p in qemu

nginx expects pread to always fill the whole buffer, which is not true on 9pfs.
Work around this by using sendfile (which loops in the kernel) and proxy_pass
to the HTTP server.

Signed-off-by: Jan Luebbe <3a82f1ac4ad59607a20f180f1c67ac8ba31ad0d5@pengutronix.de>

ejoerns/rauc,ejoerns/rauc,jluebbe/rauc,jluebbe/rauc,rauc/rauc,rauc/rauc,jluebbe/rauc,rauc/rauc,ejoerns/rauc