linuxboot: add rdedmunds as supported platform

Enable linuxboot test for RD-Edmunds platform.

This is an initial implementation of linuxboot for RD-Edmunds platform
and not the final version.
Signed-off-by: Vijayenthiran Subramaniam <vijayenthiran.subramaniam@arm.com>
Change-Id: I344d1adbb5306b8c430e8f456d775046d3c9a392

sgi/linuxboot.sh

@@ -38,6 +38,7 @@ declare -A platforms_rdinfra
 platforms_rdinfra[rdv1]=1
 platforms_rdinfra[rdn2]=1
 platforms_rdinfra[rdn2cfg1]=1
+platforms_rdinfra[rdedmunds]=1
 
 __print_examples()
 {