lava-submit.jpl: Fix LAVA submission retry delay.

Make delay increment be 10s, not 50min.

Signed-off-by: Paul Sokolovsky <paul.sokolovsky@linaro.org>
Change-Id: Ifbdaf05487c237dff51b36601666ea763aefef92
diff --git a/jenkins/lava-submit.jpl b/jenkins/lava-submit.jpl
index 9e6cf74..6517bda 100644
--- a/jenkins/lava-submit.jpl
+++ b/jenkins/lava-submit.jpl
@@ -85,7 +85,7 @@
           } catch (Exception ex) {
             print("LAVA-Submit failed! Exception: ${ex}")
             print("Try to submit again...")
-            sleep(i * 3000)
+            sleep(i * 10)
           }
         }
         if (!success) {