NFC: st21nfcb: Add support for nci proprietary commands

On st21nfcb, nci proprietary commands are available to run
specific chip operations (for example: power management)

Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2 files changed