Fixed address bits setting for 3500 BIST

Signed-off-by: SangeethaRao <sangeetha.rao@lsi.com>
Checking in OSE related changes for 3500

Signed-off-by: SangeethaRao <sangeetha.rao@lsi.com>
Updated to read correct peripheral clock freq

Signed-off-by: SangeethaRao <sangeetha.rao@lsi.com>