[jenkins-ci PATCH] guests: enable ccache on CentOS installs

[Andrea Bolognani]

On Wed, 2020-03-25 at 18:11 +0000, Daniel P. Berrangé wrote:
> Since we enabled use of EPEL in our CentOS installs, we should pull in
> the ccache package to speed up builds.
> 
> Signed-off-by: Daniel P. Berrangé <berrange at redhat.com>
> ---
>  guests/vars/mappings.yml | 1 -
>  1 file changed, 1 deletion(-)

Reviewed-by: Andrea Bolognani <abologna at redhat.com>

dwarves can also undergo the same treatment. Feel free to squash the
relevant change into this same commit.

-- 
Andrea Bolognani / Red Hat / Virtualization