scripts: metadata: add CONFIG_TARGET_SUBTARGET symbol

Add a new string symbol "CONFIG_TARGET_SUBTARGET" which contains the name of
the chosen subtarget or "generic" if there are no subtargets available.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

diff --git a/scripts/metadata.pl b/scripts/metadata.pl
index 99fdba1c819665746200c1e82cc0fd4b6bc5a71a..6ad3c39f003854e1c85a5422e8b24e070ad37765 100755 (executable)
--- a/scripts/metadata.pl
+++ b/scripts/metadata.pl
@@ -321,6 +321,18 @@ EOF
                $target->{subtarget} or print "\t\tdefault \"".$target->{board}."\" if TARGET_".$target->{conf}."\n";
        }
        print <<EOF;
+config TARGET_SUBTARGET
+       string
+       default "generic" if !HAS_SUBTARGETS
+
+EOF
+
+       foreach my $target (@target) {
+               foreach my $subtarget (@{$target->{subtargets}}) {
+                       print "\t\tdefault \"$subtarget\" if TARGET_".$target->{conf}."_$subtarget\n";
+               }
+       }
+       print <<EOF;
 config TARGET_ARCH_PACKAGES
        string