[buildbot] docker,worker: install libelf-dev, libdw-dev

[LEDE Commits]

aparcar pushed a commit to buildbot.git, branch master:
https://git.openwrt.org/ef5ef10a70c8fbf66fb733803ed79cc3e8f26a58

commit ef5ef10a70c8fbf66fb733803ed79cc3e8f26a58
Author: Tony Ambardar <itugrok at yahoo.com>
AuthorDate: Fri Mar 26 09:55:41 2021 +0000

    docker,worker: install libelf-dev, libdw-dev
    
    The libelf-dev is a previous requirement to support STACK_VALIDATION
    during kernel builds (x86/64). Building kernels with BTF debug
    information requires both this and libdw-dev be installed.
    
    Signed-off-by: Tony Ambardar <itugrok at yahoo.com>
---
 docker/buildworker/Dockerfile | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/docker/buildworker/Dockerfile b/docker/buildworker/Dockerfile
index bad2759..9be02ec 100644
--- a/docker/buildworker/Dockerfile
+++ b/docker/buildworker/Dockerfile
@@ -22,6 +22,8 @@ RUN \
 		git-core \
 		gosu \
 		libncurses5-dev \
+		libelf-dev \
+		libdw-dev \
 		locales \
 		rsync \
 		signify-openbsd \