[INTERNAL] ui5loader: add JSDoc for sap.ui.loader.config()
[INTERNAL] ui5loader: add JSDoc for sap.ui.loader.config()

Change-Id: I8dce953349da96635739b1c382a827c5cd09399b
JIRA: CPOUIFPHOENIXCORE-2528

cschuff/openui5,SAP/openui5,cschuff/openui5,SAP/openui5,cschuff/openui5,SAP/openui5,SAP/openui5