tsl2561.cxx: remove exec perms

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
grove: rotary angle sensor

Signed-off-by: Mihai Tudor Panu <mihai.t.panu@intel.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
grove: sliding potentiometer

Signed-off-by: Mihai Tudor Panu <mihai.t.panu@intel.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>