[PATCH v4 2/2] build: export dpdk_includes for subproject usage

[Bruce Richardson]

On Fri, Oct 14, 2022 at 09:51:18AM +0200, Markus Theil wrote:
> In order to perform things like LTO more easily in
> our DPDK applications, we use DPDK as a meson subproject.
> Also export includes in order to be usable in this context.
> 
> Signed-off-by: Markus Theil <markus.theil at tu-ilmenau.de>
> ---
Acked-by: Bruce Richardson <bruce.richardson at intel.com>