t6713: Throw exception if device not detected in ctor or read fails
t6713: Throw exception if device not detected in ctor or read fails

Signed-off-by: Henry Bruce <57ea958cad66de244404958c9a01f7a4ad51b29e@intel.com>

srware/upm,srware/upm,srware/upm,srware/upm,srware/upm