Update mapping: add new Fast Models device types

Signed-off-by: Fathi Boudra <fathi.boudra@linaro.org>
diff --git a/lava-submit.py b/lava-submit.py
index 9c4b084..5f7b602 100755
--- a/lava-submit.py
+++ b/lava-submit.py
@@ -95,9 +95,12 @@
     'panda': 'leb-panda-4430',
     'panda-es': 'leb-panda-es',
     'rtsm_foundation-armv8': 'vexpress64',
+    'rtsm_fvp_base-aemv8a': 'vexpress64',
+    'rtsm_fvp_base_cortex-a57x1-a53x1': 'vexpress64',
+    'rtsm_fvp_base_cortex-a57x4-a53x4': 'vexpress64',
     'rtsm_ve-a15x1-a7x1': 'vexpress',
     'rtsm_ve-a15x4-a7x4': 'vexpress',
-    'rtsm_ve-armv8': 'vexpress',
+    'rtsm_ve-armv8': 'vexpress64',
     'snowball_sd': 'leb-snowball',
     'vexpress-a5': 'vexpress',
     'vexpress-a9': 'vexpress',