tpm/st33zp24/dts/st33zp24-spi: Add dts documentation for st33zp24 spi phy

Reviewed-by: Jason Gunthorpe <jason.gunthorpe@obsidianresearch.com>
Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
1 file changed