FVP: Update FVP version for upcoming release

Moving from 11.12.38 to 11.14.21 FVP versioning, which also requires
altering path to model slightly for most FVP references.

Signed-off-by: Lauren Wehrmeister <lauren.wehrmeister@arm.com>
Change-Id: Ib3a3eccdc54aa3d758920b9d3e9cc6355d1593d5
diff --git a/utils.sh b/utils.sh
index 6a5ce49..c42fb6d 100644
--- a/utils.sh
+++ b/utils.sh
@@ -301,8 +301,8 @@
 jenkins_url="${jenkins_url:-https://ci.trustedfirmware.org/}"
 
 # Model revisions
-model_version="${model_version:-11.12}"
-model_build="${model_build:-38}"
+model_version="${model_version:-11.14}"
+model_build="${model_build:-21}"
 model_flavour="${model_flavour:-Linux64_GCC-6.4}"
 
 # Model snapshots from filer are not normally not accessible from developer