sim: Add hw-rollback-protection feature

This commit adds simulator support to test the
hw-rollback-protection feature which is using
nv-counters. In the simulator they are stored in Rust
to prevent any race conditions from happening due to
the parallel execution of the tests.

Signed-off-by: Roland Mikhel <roland.mikhel@arm.com>
Change-Id: I445fc50615ed1f0c06e5933b16811c24d9d302fc
diff --git a/sim/src/caps.rs b/sim/src/caps.rs
index e7240d1..912dda1 100644
--- a/sim/src/caps.rs
+++ b/sim/src/caps.rs
@@ -27,6 +27,7 @@
     Aes256               = (1 << 14),
     RamLoad              = (1 << 15),
     DirectXip            = (1 << 16),
+    HwRollbackProtection = (1 << 17),
 }
 
 impl Caps {