[SBI] Fixed openapitools MAP generation (#2103)

MAP was generated incorrectly because {{#items}}..{{#items}} was
missing.

Because of this, If scpInfo has scpPort, NRF crashes.

lib/sbi/support/r16-20230226-openapitools-6.4.0/README.md

@@ -0,0 +1,16 @@
+
+* To install JDK(Java)
+$ sudo apt install default-jdk
+
+* To install Node.js
+$ sudo apt update
+$ sudo apt install curl
+$ curl -fsSL https://deb.nodesource.com/setup_18.x | sudo -E bash -
+$ sudo apt install nodejs
+
+* To install OpenAPI Geneator
+$ sudo npm install @openapitools/openapi-generator-cli -g
+
+$ Run generator
+$ sudo openapi-generator-cli version-manager set 6.4.0
+$ ./generator.sh