platforms/rddaniel: update rnsam location flag name

The model flag FASTSIM_CMN600_INTERNAL_RNSAM has been renamed as
FASTSIM_CMN_INTERNAL_RNSAM. Update the run model script
accordingly.

Change-Id: I5f8dd22e4e7d097c84b1c7ff9575d616d2ecbafc
Signed-off-by: Thomas Abraham <thomas.abraham@arm.com>

rdinfra/platforms/rddaniel/run_model.sh

@@ -248,7 +248,7 @@ echo
 
 # print the model version.
 ${MODEL} --version
-export FASTSIM_CMN600_INTERNAL_RNSAM=1
+export FASTSIM_CMN_INTERNAL_RNSAM=1
 
 TZC_BYPASS_PARAMS=" \
 	-C css.mem.tzc0.tzc400.rst_gate_keeper=0x0f                \