[PATCH, rs6000] Fix PR target/68872, make -mcpu=powerpc64le pass correct assembler option

[Mike Stump]

On Dec 22, 2015, at 9:13 AM, Peter Bergner <bergner@vnet.ibm.com> wrote:
> 	PR target/68772

No, this is wrong.  Compare to 68872 in the subject line.

> 	* config/rs6000/rs6000.h (ASM_CPU_SPEC): For -mcpu=powerpc64le,
> 	pass %(asm_cpu_power8)/-mpwr8.
> 	* config/rs6000/aix53.h: Likewise.
> 	* config/rs6000/aix61.h: Likewise.
> 	* config/rs6000/aix71.h: Likewise.
> 
> gcc/testsuite/
>        PR target/68772

Likewise.  Please retroactively update the number in the changelog.