configs: Using VExpress_GEM5_V1 as a default for

This is replacing deprecated VExpress_EMM for scripts using,

Change-Id: I2ba01b248bb9baf49e1f2217d623f3b9bc8a35f9
Signed-off-by: Giacomo Travaglini <>
Reviewed-by: Nikos Nikoleris <>
Reviewed-by: Jason Lowe-Power <>
Maintainer: Jason Lowe-Power <>
Tested-by: kokoro <>
diff --git a/configs/common/ b/configs/common/
index 4943486..a126f3c 100644
--- a/configs/common/
+++ b/configs/common/
@@ -434,7 +434,7 @@
                       help="List available platform types")
         parser.add_option("--machine-type", action="store", type="choice",
-                default="VExpress_EMM")
+                default="VExpress_GEM5_V1")
         parser.add_option("--dtb-filename", action="store", type="string",
               help="Specifies device tree blob file to use with device-tree-"\
               "enabled kernels")