Populate FVP YAML files for cortex-a76x4 and cortex-a76aex4 models

FVP YAML file generation is a two step process: 1. yaml template
creation and 2. fvp values replacement on template created by 1. This
patch only relates to 2 and specifically for 'cortex-a76x4' and
'cortex-a76aex4' models.

Signed-off-by: Leonardo Sandoval <leonardo.sandoval@linaro.org>
Change-Id: I89ca8cfa53b8e41080777d6f1190d9cd47580962
diff --git a/run_config/fvp-cortexa76aex4 b/run_config/fvp-cortexa76aex4
index f15062a..05ddf04 100644
--- a/run_config/fvp-cortexa76aex4
+++ b/run_config/fvp-cortexa76aex4
@@ -10,4 +10,8 @@
         cache_state_modelled="0" \
         gen_model_params
 	uart="0" set_expect_variable "num_cpus" "4"
+
+        model="cortex-a76aex4" \
+	model_bin="FVP_Base_Cortex-A76AEx4" \
+	       gen_fvp_yaml
 }