fix(fvp): correct neoverse-n1 CPU count on binary name

The 4-cores version should be used instead, otherwise several CPU
fails to boot as reported at [1].

[1] https://projects.linaro.org/browse/TFC-102

Signed-off-by: Leonardo Sandoval <leonardo.sandoval@linaro.org>
Change-Id: I1b1ded89459a984aa03f23b356a78aad0b25bef9
diff --git a/fvp_utils.sh b/fvp_utils.sh
index 0fa0484..5c0f0f9 100644
--- a/fvp_utils.sh
+++ b/fvp_utils.sh
@@ -82,7 +82,7 @@
 [neoverse_e1x1]="${fvp_arm_std_library};FVP_Base_Neoverse-E1x1"
 [neoverse_e1x2]="${fvp_arm_std_library};FVP_Base_Neoverse-E1x2"
 [neoverse_e1x4]="${fvp_arm_std_library};FVP_Base_Neoverse-E1x4"
-[neoverse_n1]="${fvp_arm_std_library};FVP_Base_Neoverse-N1x1"
+[neoverse_n1]="${fvp_arm_std_library};FVP_Base_Neoverse-N1x4"
 [neoverse_n2]=";;;"
 [neoverse-v1x4]=";;;"
 [matterhornx4]=";;;"