imx: imx8ulp_evk: call the handshake with M33

If M33 handshake is successful, TPM and DSI panel MUX setting is
done by M33, no need to set them.
If handshake is failed or M33 is not booted, continue the TPM
and DSI panel MUX setting

Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Biwen Li <biwen.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>