[PATCH] soc: ti: fix wkup_m3_rproc_boot_thread return type

[Tony Lindgren]

* Arnd Bergmann <arnd at kernel.org> [211105 07:52]:
> From: Arnd Bergmann <arnd at arndb.de>
> 
> The wkup_m3_rproc_boot_thread() function uses a nonstandard prototype,
> which broke after Eric's recent cleanup:
> 
> drivers/soc/ti/wkup_m3_ipc.c: In function 'wkup_m3_rproc_boot_thread':
> drivers/soc/ti/wkup_m3_ipc.c:429:16: error: 'return' with a value, in function returning void [-Werror=return-type]
>   429 |         return 0;
>       |                ^
> drivers/soc/ti/wkup_m3_ipc.c:416:13: note: declared here
>   416 | static void wkup_m3_rproc_boot_thread(struct wkup_m3_ipc *m3_ipc)
>       |             ^~~~~~~~~~~~~~~~~~~~~~~~~
> 
> Change it to the normal prototype as it should have been from the
> start.

Thanks

Acked-by: Tony Lindgren <tony at atomide.com>