[FIX] Add missing port assignment in triple buffer DPRAM

Add missing iEnable assignment to DPRAM instantiation.

Change-Id: I30238bb72b09dc8615464be5e925514fb93b2d6f
Reviewed-on: http://brateggevoat1/gerrit/1444
Tested-by: Jenkins <jenkins@brateggevoat1.br-automation.co.at>
Reviewed-by: Joerg Zelenka <joerg.zelenka@br-automation.com>
[FIX] Fix simulation script

- Return exit code to caller.
- Reverted quiet mode to see all prints.

Change-Id: I3aaa33a3e0bd363c11cf35526a4b83509ab3df09
Reviewed-on: http://brateggevoat1/gerrit/1443
Tested-by: Jenkins <jenkins@brateggevoat1.br-automation.co.at>
Reviewed-by: Joerg Zelenka <joerg.zelenka@br-automation.com>
[FIX] Fix DPRAM model read output

Assign readdata after shared variable is set to the new value. This
ensures that in the next clock cycle the new data is available.

Change-Id: I58fb5192ab8ffe7055a674be8fdea92b3a0f890a
Reviewed-on: http://brateggevoat1/gerrit/1442
Tested-by: Jenkins <jenkins@brateggevoat1.br-automation.co.at>
Reviewed-by: Joerg Zelenka <joerg.zelenka@br-automation.com>