[Buildroot] [PATCH 1/1] package/libdrm: PKG_CHECK_MODULES should not fail when libatomic_ops is missing

[Thomas Petazzoni]

Hello,

On Sun,  7 Jan 2018 18:07:38 +0100, Bernd Kuhls wrote:
> According to https://autotools.io/pkgconfig/pkg_check_modules.html
> "In contrast with almost all of the original macros, though, the default
>  action-if-not-found will end the execution with an error for not having
>  found the dependency."
> 
> Fixes
> http://autobuild.buildroot.net/results/cea/cea777dc997f86c1122c8b818d264215a0e77e5a/
> 
> Signed-off-by: Bernd Kuhls <bernd.kuhls at t-online.de>

This commit log was a bit light in explanation, so improved it and
applied. Thanks!

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com