[PATCH][ARM]Use cortex tune_params for armv8-a architecture

[Renlin Li]

Hi all,

This patch will change tune_params for armv8-a architecture to general 
cortex.
Change has been tested for arm-none-eabi on the model.
Ok for trunk?

Kind regards,
Renlin Li

gcc/ChangeLog:

2013-10-03  Renlin Li <renlin...@arm.com>

    * config/arm/arm-cores.def (cortex-a53): Use cortex tunning.diff --git a/gcc/config/arm/arm-cores.def b/gcc/config/arm/arm-cores.def
index 3d59fa6..17c9bf3 100644
--- a/gcc/config/arm/arm-cores.def
+++ b/gcc/config/arm/arm-cores.def
@@ -129,7 +129,7 @@ ARM_CORE("cortex-a7",	  cortexa7,	7A,				 FL_LDSCHED | FL_THUMB_DIV | FL_ARM_DIV
 ARM_CORE("cortex-a8",	  cortexa8,	7A,				 FL_LDSCHED, cortex)
 ARM_CORE("cortex-a9",	  cortexa9,	7A,				 FL_LDSCHED, cortex_a9)
 ARM_CORE("cortex-a15",	  cortexa15,	7A,				 FL_LDSCHED | FL_THUMB_DIV | FL_ARM_DIV, cortex_a15)
-ARM_CORE("cortex-a53",	  cortexa53,	8A,				 FL_LDSCHED, cortex_a5)
+ARM_CORE("cortex-a53",	  cortexa53,	8A,				 FL_LDSCHED, cortex)
 ARM_CORE("cortex-r4",	  cortexr4,	7R,				 FL_LDSCHED, cortex)
 ARM_CORE("cortex-r4f",	  cortexr4f,	7R,				 FL_LDSCHED, cortex)
 ARM_CORE("cortex-r5",	  cortexr5,	7R,				 FL_LDSCHED | FL_ARM_DIV, cortex)