powerpc/xmon: Do not compute/store the major opcode

[Michael Ellerman]

On Tue, 2017-12-26 at 13:25:47 UTC, Mathieu Malaterre wrote:
> In commit 5b102782c7f4 ("powerpc/xmon: Enable disassembly files (compilation
> changes)") usage of variable `op` has been removed. Completely remove opcode
> computation since not used anymore.
> 
> Fix fatal warning:
> 
> arch/powerpc/xmon/ppc-dis.c: In function ‘lookup_powerpc’:
> arch/powerpc/xmon/ppc-dis.c:96:17: error: variable ‘op’ set but not used [-Werror=unused-but-set-variable]
>    unsigned long op;
>                  ^~
> 
> Signed-off-by: Mathieu Malaterre <malat at debian.org>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/104d55ae4df928c205268c1eb83b80

cheers