tpm/tpm_i2c_stm_st33/dts/st33zp24-i2c: Rename st33zp24 dts documentation

st33zp24 exists in i2c and spi version. Both have different possible
configuration.
st33zp24.txt is renamed st33zp24-i2c.txt.
Reviewed-by: NJason Gunthorpe <jason.gunthorpe@obsidianresearch.com>
Signed-off-by: NChristophe Ricard <christophe-h.ricard@st.com>
Reviewed-by: NPeter Huewe <peterhuewe@gmx.de>
Signed-off-by: NPeter Huewe <peterhuewe@gmx.de>

Documentation/devicetree/bindings/security/tpm/st33zp24.txt → Documentation/devicetree/bindings/security/tpm/st33zp24-i2c.txt

@@ -25,7 +25,7 @@ Example (for ARM-based BeagleBoard xM with ST33ZP24 on I2C2):
 
                 compatible = "st,st33zp24-i2c";
 
-                reg = <0x013>;
+                reg = <0x13>;
                 clock-frequency = <400000>;
 
                 interrupt-parent = <&gpio5>;