Config.in.legacy: add legacy entry for 4.20.x headers

Commit b3bba8e4254 (package/linux-headers: drop support 4.20 headers)
removed the option for 4.20.x kernel headers, but forgot to add a legacy
option.  Add that now.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

diff --git a/Config.in.legacy b/Config.in.legacy
index 75d6c723a977a90f6860395a13816c7d2830602d..2b8dc3b1ee8de83629b0d8a478250a9c43cafe70 100644 (file)
--- a/Config.in.legacy
+++ b/Config.in.legacy
@@ -153,6 +153,13 @@ config BR2_GDB_VERSION_8_0
          The 8.0.x version of gdb has been removed. Use a newer
          version instead.
 
+config BR2_KERNEL_HEADERS_4_20
+       bool "kernel headers version 4.20.x are no longer supported"
+       select BR2_LEGACY
+       help
+         Version 4.20.x of the Linux kernel headers are no longer
+         maintained upstream and are now removed.
+
 comment "Legacy options removed in 2019.05"
 
 config BR2_CSKY_DSP