run_config/fvp-foundationv8: fix model parameter

The model variable passed to the fvp yaml generation function must
have the model value, not a literal string.

Signed-off-by: Leonardo Sandoval <leonardo.sandoval@linaro.org>
Change-Id: I1225dad65d5d00c350a19e70b2a9faab4e704ef9
diff --git a/run_config/fvp-foundationv8 b/run_config/fvp-foundationv8
index cd047cc..2270ed3 100644
--- a/run_config/fvp-foundationv8
+++ b/run_config/fvp-foundationv8
@@ -10,5 +10,5 @@
 
 	model="$model" gen_model_params
 	uart="0" set_expect_variable "num_cpus" "4"
-	model="model" gen_fvp_yaml
+	model="$model" gen_fvp_yaml
 }