[TOOLS][POWERPC] update prose builder to define the mem_mb arg.

Signed-off-by: Jimi Xenidis <jimix@watson.ibm.com>
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>

--HG--
extra : transplant_source : %02%AA%AF%00%A9%22%9Bed%E8%60a%8F2%9B%D2%F90%3A%1E

tools/python/xen/xend/image.py

@@ -258,7 +258,10 @@ class PPC_ProseImageHandler(LinuxImageHandler):
         store_evtchn = self.vm.getStorePort()
         console_evtchn = self.vm.getConsolePort()
 
+        mem_mb = self.getRequiredInitialReservation() / 1024
+
         log.debug("dom            = %d", self.vm.getDomid())
+        log.debug("memsize        = %d", mem_mb)
         log.debug("image          = %s", self.kernel)
         log.debug("store_evtchn   = %d", store_evtchn)
         log.debug("console_evtchn = %d", console_evtchn)