Resync new repository with old repo r5166

git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5153 42af7a65-404d-4744-a932-0658087f49c3

apps/system/readline/Kconfig

@@ -0,0 +1,22 @@
+#
+# For a description of the syntax of this configuration file,
+# see misc/tools/kconfig-language.txt.
+#
+
+config SYSTEM_READLINE
+	bool "readline() support"
+	default n
+	---help---
+		Enable support for the readline() function.
+
+if SYSTEM_READLINE
+config READLINE_ECHO
+	bool "Echo character input"
+	default y
+	---help---
+		Echo received character input back via stdout.  This is normal
+		behavior and should be selected unless the source of stdin input
+		already has local echo support or you need to suppress the back-channel
+		responses for any other reason.
+
+endif