binutils: remove version 2.22

We already use 2.24 as the default, 2.25 has been around for some
time, and 2.22 is clearly very old, so let's get rid of it.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
diff --git a/Config.in.legacy b/Config.in.legacy
index edf9912..0a8d0a6 100644
--- a/Config.in.legacy
+++ b/Config.in.legacy
@@ -107,6 +107,13 @@
 ###############################################################################
 comment "Legacy options removed in 2015.08"
 
+config BR2_BINUTILS_VERSION_2_22
+	bool "binutils 2.22 removed"
+	select BR2_LEGACY
+	help
+	  Binutils 2.22 has been removed, using a newer version is
+	  recommended.
+
 config BR2_PACKAGE_GPU_VIV_BIN_MX6Q
 	bool "gpu-viv-bin-mx6q"
 	select BR2_LEGACY