Add SRAR DCU/IFU functional test case

This patch adds two SRAR functinal test cases (DCU & IFU). The
SRAR test is highly BIOS dependent so if BIOS is bogus, system
will be hang or panic. By default these two test cases are
disabled, if one wants to test SRAR, please open them.

Signed-off-by: Chen Gong <gong.chen@linux.intel.com>
7 files changed