Fixup compilation with qmk compile -kb zzz -km all. (qmk#22568)

lib/python/qmk/cli/compile.py

@@ -33,6 +33,8 @@ def compile(cli):
 
     If a keyboard and keymap are provided this command will build a firmware based on that.
     """
+
+    # If we've received `-kb all`, reroute it to mass-compile.
     if is_all_keyboards(cli.args.keyboard):
         from .mass_compile import mass_compile
         cli.args.builds = []
@@ -42,6 +44,16 @@ def compile(cli):
         cli.config.mass_compile.no_temp = False
         return mass_compile(cli)
 
+    # If we've received `-km all`, reroute it to mass-compile.
+    if cli.args.keymap == 'all':
+        from .mass_compile import mass_compile
+        cli.args.builds = [f'{cli.args.keyboard}:all']
+        cli.args.filter = []
+        cli.config.mass_compile.keymap = None
+        cli.config.mass_compile.parallel = cli.config.compile.parallel
+        cli.config.mass_compile.no_temp = False
+        return mass_compile(cli)
+
     # Build the environment vars
     envs = build_environment(cli.args.env)