script/gen_fvp_*_yaml.sh: reduce the connection value to 10 sec

The connection value indicates how often LAVA cleans the feedback
channels, otherwise heavy log on these channels without
reading/cleaning may hang the models.

Signed-off-by: Leonardo Sandoval <leonardo.sandoval@linaro.org>
Change-Id: I5c82c3ebe123100be4bcc0a59994ecf44ecc85cb
diff --git a/script/gen_fvp_linux_yaml.sh b/script/gen_fvp_linux_yaml.sh
index d0d38bc..0d29d56 100755
--- a/script/gen_fvp_linux_yaml.sh
+++ b/script/gen_fvp_linux_yaml.sh
@@ -18,7 +18,7 @@
 
 timeouts:
   connection:
-    minutes: 3
+    seconds: 10
   job:
     minutes: 30
   action: