Move buildroot to bsp directory.

bsp/buildroot/package/lua-cjson/Config.in

@@ -0,0 +1,14 @@
+config BR2_PACKAGE_LUA_CJSON
+	bool "lua-cjson"
+	depends on BR2_PACKAGE_HAS_LUAINTERPRETER
+	help
+	  The Lua CJSON module provides JSON support for Lua. It features:
+	  - Fast, standards compliant encoding/parsing routines
+	  - Full support for JSON with UTF-8, including decoding surrogate pairs
+	  - Optional run-time support for common exceptions to the JSON
+	    specification (infinity, NaN, ...)
+	  - No dependencies on other libraries
+
+	  (C-module)
+
+	  http://www.kyne.com.au/~mark/software/lua-cjson.php

bsp/buildroot/package/lua-cjson/lua-cjson.hash

@@ -0,0 +1,2 @@
+# Locally calculated
+sha256	db7af849c555d1a474f729fe4a56b5530e9be7b24749eb7a7c474a7c7207b972  lua-cjson-2.1.0-1.src.rock

bsp/buildroot/package/lua-cjson/lua-cjson.mk

@@ -0,0 +1,12 @@
+################################################################################
+#
+# lua-cjson
+#
+################################################################################
+
+LUA_CJSON_VERSION_UPSTREAM = 2.1.0
+LUA_CJSON_VERSION = $(LUA_CJSON_VERSION_UPSTREAM)-1
+LUA_CJSON_LICENSE = MIT
+LUA_CJSON_LICENSE_FILES = lua-cjson-$(LUA_CJSON_VERSION_UPSTREAM)/LICENSE
+
+$(eval $(luarocks-package))