Add support for "cpuPlatform" field in GCE driver
Add support for "cpuPlatform" field in GCE driver

mistio/libcloud,mistio/libcloud,andrewsomething/libcloud,Kami/libcloud,ByteInternet/libcloud,apache/libcloud,Kami/libcloud,ByteInternet/libcloud,ByteInternet/libcloud,apache/libcloud,Kami/libcloud,andrewsomething/libcloud,mistio/libcloud,apache/libcloud,andrewsomething/libcloud