sgi/secure_boot.sh: enable secure boot for multiple RD platforms

Enable the use of UEFI secure boot for multiple Neoverse reference
desing platforms - rdn1edgex2, rdv1, rdv1mc and rdn2.
Signed-off-by: Sayanta Pattanayak <sayanta.pattanayak@arm.com>
Change-Id: I12b2805d2b4df0094b5bb0164e2b2dfb30eebeea

sgi/secure_boot.sh

@@ -38,7 +38,11 @@ declare -A platforms_sgi
 platforms_sgi[sgi575]=1
 declare -A platforms_rdinfra
 platforms_rdinfra[rdn1edge]=1
+platforms_rdinfra[rdn1edgex2]=1
 platforms_rdinfra[rde1edge]=1
+platforms_rdinfra[rdv1]=1
+platforms_rdinfra[rdv1mc]=1
+platforms_rdinfra[rdn2]=1
 
 __print_examples()
 {