ci: add buildroot dependencies to install list

This updates the environment to include all required Buildroot
packages to prevent missing dependency errors during builds.

Fixes: #3029
Signed-off-by: Ozan Durgut <ozan.durgut@analog.com>

Author: ozan956

1q

@@ -0,0 +1,18 @@
+ci: add buildroot dependencies to install list
+
+This updates the environment to include all required Buildroot
+packages to prevent missing dependency errors during builds.
+
+Fixes: #3029
+Signed-off-by: Ozan Durgut <ozan.durgut@analog.com>
+
+# Please enter the commit message for your changes. Lines starting
+# with '#' will be ignored, and an empty message aborts the commit.
+#
+# Date:      Wed Nov 26 11:42:35 2025 +0100
+#
+# On branch add-buildroot-deps
+# Changes to be committed:
+#	modified:   container/Containerfile
+#	new file:   container/install-buildroot.sh
+#

container/Containerfile

@@ -26,6 +26,8 @@ COPY install-compilers.sh .
 RUN chmod +x install-compilers.sh ; ./install-compilers.sh
 COPY install-extra.sh .
 RUN chmod +x install-extra.sh ; ./install-extra.sh
+COPY install-buildroot.sh .
+RUN chmod +x install-buildroot.sh ; ./install-buildroot.sh
 
 RUN mkdir -p /usr/local/bin
 WORKDIR /usr/local/bin

container/install-buildroot.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+# for: build-doc-*
+
+set -e
+
+# Install packages required by Buildroot:
+# https://buildroot.org/downloads/manual/manual.html#requirement-mandatory
+zypper install -y --no-recommends \
+    gcc gcc-c++ make \
+    glibc-devel libstdc++-devel binutils ccache \
+    git wget rsync bc unzip cpio file \
+    which sed diffutils bash patch gzip bzip2 perl tar \
+    findutils gawk \