[dts] [PATCH V1] framework/project_dpdk: add the extra_option to meson build

[Tu, Lijuan]

> Subject: [dts] [PATCH V1] framework/project_dpdk: add the extra_option to
> meson build
> 
> some build option have been defined in meson build file,
> eg: max_ethports, so it can not been configured by c_args, add the
> extra_options to build command to config these options.
> 
> Signed-off-by: LihongX Ma <lihongx.ma at intel.com>

Applied