dt-bindings: tpm: Add st,st33tphf2ei2c

Add the ST chip st33tphf2ei2c to the supported compatible strings of the
TPM TIS I2C schema. The chip is compliant with the TCG PC Client TPM
Profile specification.

For reference, a databrief is available at:
https://www.st.com/resource/en/data_brief/st33tphf2ei2c.pdf

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Marek Vasut <marek.vasut@mailbox.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

Documentation/devicetree/bindings/tpm/tcg,tpm-tis-i2c.yaml

@@ -33,6 +33,7 @@ properties:
               - infineon,slb9673
               - nuvoton,npct75x
               - st,st33ktpm2xi2c
+              - st,st33tphf2ei2c
           - const: tcg,tpm-tis-i2c
 
       - description: TPM 1.2 and 2.0 chips with vendor-specific I²C interface