Fix platformio_install_deps no longer installing all lib_deps (#2584)

docker/platformio_install_deps.py

@@ -8,6 +8,23 @@ import sys
 
 config = configparser.ConfigParser(inline_comment_prefixes=(';', ))
 config.read(sys.argv[1])
-libs = [x for x in config['common']['lib_deps'].splitlines() if len(x) != 0]
+
+libs = []
+# Extract from every lib_deps key in all sections
+for section in config.sections():
+    conf = config[section]
+    if "lib_deps" not in conf:
+        continue
+    for lib_dep in conf["lib_deps"].splitlines():
+        if not lib_dep:
+            # Empty line or comment
+            continue
+        if lib_dep.startswith("${"):
+            # Extending from another section
+            continue
+        if "@" not in lib_dep:
+            # No version pinned, this is an internal lib
+            continue
+        libs.append(lib_dep)
 
 subprocess.check_call(['platformio', 'lib', '-g', 'install', *libs])