Cosmetic changes for better debugging

Signed-off-by: Ricardo Salveti de Araujo <ricardo.salveti@linaro.org>
diff --git a/build_images.py b/build_images.py
index be77fff..567f4d0 100755
--- a/build_images.py
+++ b/build_images.py
@@ -90,13 +90,13 @@
     return dfile
 
 def compress_image(imgfile):
-    print "compressing %s" % imgfile
+    print "INFO: compressing %s" % imgfile
     args = ('bzip2', imgfile)
     cmd_runner.run(args).wait()
     return '%s.bz2' % imgfile
 
 def zsync_image(imgfile):
-    print "making zsync file for %s" % imgfile
+    print "INFO: making zsync file for %s" % imgfile
     args = ('zsyncmake', '-o', '%s.zsync'%imgfile, imgfile)
     cmd_runner.run(args).wait()
 
@@ -112,7 +112,7 @@
 def create_image_info(infofile, bz2file, binary_file, hwpack_url, rootfs_url):
     ''' prints out the md5sum and hwpack/rootfs info for the given image
     '''
-    print "building image info for: %s" % bz2file
+    print "INFO: building image info for: %s" % bz2file
     md5 = md5sum(bz2file)
 
     binary_file = os.path.basename(binary_file)
@@ -154,11 +154,10 @@
         f.write(buff)
 
 def build_image(lmc, imgfile, hwpack, hwpack_file, binary, binary_file):
-    print "building image: %s" % imgfile
+    print "INFO: building image: %s" % imgfile
     hwpi = HWPACKS[hwpack]
     size = BINARIES[binary]
 
-    print 'running l-m-c: %s' % lmc
     args = [lmc,
                 '--dev', hwpi.lmcname,
                 '--image_file', imgfile,
@@ -175,6 +174,8 @@
         args.append('--preinstall-script')
         args.append(script)
 
+    print "INFO: running l-m-c:", " ".join([str(arg) for arg in args])
+
     hwpi.do_eula(imgfile)
     cmd_runner.run(args, as_root=True).wait()