Move buildroot to bsp directory.

bsp/buildroot/package/nano/Config.in

@@ -0,0 +1,24 @@
+config BR2_PACKAGE_NANO
+	bool "nano"
+	depends on BR2_USE_WCHAR
+	# full version uses fork()
+	select BR2_PACKAGE_NANO_TINY if !BR2_USE_MMU
+	select BR2_PACKAGE_NCURSES
+	help
+	  A nice ncurses-based editor. Started out as a clone of pico.
+	  Great editor for new users.
+
+	  http://www.nano-editor.org/
+
+if BR2_PACKAGE_NANO
+
+config BR2_PACKAGE_NANO_TINY
+	bool "optimize for size"
+	default y
+	help
+	  Disable all features for the sake of size.
+
+endif
+
+comment "nano needs a toolchain w/ wchar"
+	depends on !BR2_USE_WCHAR