[cocci] firmware: ti_sci: Fix exception handling in ti_sci_probe()

[Markus Elfring]

>> This issue was detected by using the Coccinelle software.
>
> Curious: what rule of coccicheck caught this?

None. (So far)

See also:
Reconsidering repeated checks for error pointers (with SmPL)
2023-04-04
https://lore.kernel.org/cocci/8f785de5-ebe2-edd9-2155-f440acacc643@web.de/
https://sympa.inria.fr/sympa/arc/cocci/2023-04/msg00008.html

Regards,
Markus