build: depend on resolve_mbeddr_platform

Because we always need the platform zip unzipped.

In case of a local build we zip the platform first and then unzip it
again later, but we keep the projects more independent, and we can fix
this later with more Gradle modelling.

build/com.mbeddr/languages/build.gradle

@@ -45,6 +45,7 @@ dependencies {
 }
 
 task resolve_mbeddr_platform() {
+    dependsOn(configurations.mbeddrPlatform)
     doLast {
         copy {
             from {
@@ -65,9 +66,7 @@ ant.taskdef(name: 'junit', classname: 'org.apache.tools.ant.taskdefs.optional.ju
 ant.taskdef(name: 'junitreport', classname: 'org.apache.tools.ant.taskdefs.optional.junit.XMLResultAggregator',
         classpath: configurations.junitAnt.asPath)
 
-def mbeddrPlatformDependency
-
-task build_mbeddr(type: BuildLanguages, dependsOn: [':com.mbeddr:platform:copy_allScripts', configurations.mbeddrPlatform]) {
+task build_mbeddr(type: BuildLanguages, dependsOn: [':com.mbeddr:platform:copy_allScripts', 'resolve_mbeddr_platform']) {
     script script_build_mbeddr
     outputs.dir("$artifactsDir/mbeddr")
 }