fvp: move to newer FVP 11.26 model

Remove all reference to all older model and move all testing to newer
11.26 FVP model.

Change-Id: I98cb38499a0a00d1889f860a7e24712f6783b4d7
Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>
(cherry picked from commit 8962c450b80032884ba09757d9a7722506afc07d)
diff --git a/model/neoverse_n2.sh b/model/neoverse_n2.sh
index cc63722..eb17652 100644
--- a/model/neoverse_n2.sh
+++ b/model/neoverse_n2.sh
@@ -5,7 +5,7 @@
 # SPDX-License-Identifier: BSD-3-Clause
 #
 
-set_model_path "$warehouse/SysGen/Models/$model_version_11_16/$model_build_11_16/external/models/$model_flavour_11_16/FVP_Base_Neoverse-N1x4"
+set_model_path "$warehouse/SysGen/Models/$model_version/$model_build/external/models/$model_flavour/FVP_Base_Neoverse-N2"
 
 source "$ci_root/model/fvp_common.sh"