powerpc/rtas: Fix ppc_rtas_rmo_buf_show() kernel-doc

>From a W=1 build:

>> arch/powerpc/kernel/rtas-proc.c:771: warning: Function parameter or member 'm' not described in
>> 'ppc_rtas_rmo_buf_show'
>> arch/powerpc/kernel/rtas-proc.c:771: warning: Function parameter or member 'v' not described in
>> 'ppc_rtas_rmo_buf_show'

Add the missing parameter descriptions.

Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202309211645.1Lvwmbv4-lkp@intel.com/
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20231106-rtas-trivial-v1-2-61847655c51f@linux.ibm.com

authored by Nathan Lynch and committed by Michael Ellerman 644b6025 65083333

Changed files
+2
arch
powerpc
kernel
+2
arch/powerpc/kernel/rtas-proc.c
··· 752 752 753 753 /** 754 754 * ppc_rtas_rmo_buf_show() - Describe RTAS-addressable region for user space. 755 + * @m: seq_file output target. 756 + * @v: Unused. 755 757 * 756 758 * Base + size description of a range of RTAS-addressable memory set 757 759 * aside for user space to use as work area(s) for certain RTAS