[U-Boot] [RFC PATCH 3/8] Add RBTREE to Kconfig

[Joe Hershberger]

This will allow this required feature to be automatically selected by
the CMD_UBI feature (which requires this).

Signed-off-by: Joe Hershberger <joe.hershberger at ni.com>
---

 lib/Kconfig | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/Kconfig b/lib/Kconfig
index 0454a86..b4a02b4 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -36,6 +36,12 @@ config SYS_VSNPRINTF
 	  Thumb-2, about 420 bytes). Enable this option for safety when
 	  using sprintf() with data you do not control.
 
+config RBTREE
+	bool "Red-Black Tree support"
+	help
+	  This is support needed by UBI, but it could be used for
+	  something else.
+
 config REGEX
 	bool "Enable regular expression support"
 	help
-- 
1.7.11.5