[dpdk-dev] [PATCH v2] build: ccache support for cross build

[Thomas Monjalon]

> > By default, ccache is not used for cross build[1].
> > Update all cross files to use ccache if it is available in build machine.
> > 
> > Also, updated devtools/test-meson-builds.sh script to find the correct
> > DPDK_TARGET due to change in cross file syntax.
> > 
> > [1]
> > https://mesonbuild.com/Machine-files.html
> > 
> > Signed-off-by: Jerin Jacob <jerinj at marvell.com>
> > ---
> > 
> 
> Verified that cross-build works fine with/without ccache.
> Acked-by: Ruifeng Wang <ruifeng.wang at arm.com>

Applied with minor change, thanks.