[PATCH] powerpc/eeh_cache: fix a W=1 kernel-doc warning

[Russell Currey]

On Wed, 2019-06-05 at 16:46 -0400, Qian Cai wrote:
> The opening comment mark "/**" is reserved for kernel-doc comments,
> so
> it will generate a warning with "make W=1".
> 
> arch/powerpc/kernel/eeh_cache.c:37: warning: cannot understand
> function
> prototype: 'struct pci_io_addr_range
> 
> Since this is not a kernel-doc for the struct below, but rather an
> overview of this source eeh_cache.c, just use the free-form comments
> kernel-doc syntax instead.
> 
> Signed-off-by: Qian Cai <cai at lca.pw>

Looks good to me.

Acked-by: Russell Currey <ruscur at russell.cc>