Display .gnu.attributes tags for powerpc64

[Alan Modra]

I missed this from 005d79fd6.

	* readelf.c (process_arch_specific): Call process_power_specific
	for EM_PPC64.

diff --git a/binutils/readelf.c b/binutils/readelf.c
index ca7ed3f..9a07158 100644
--- a/binutils/readelf.c
+++ b/binutils/readelf.c
@@ -16385,6 +16385,7 @@ process_arch_specific (FILE * file)
       return process_nds32_specific (file);
       break;
     case EM_PPC:
+    case EM_PPC64:
       return process_power_specific (file);
       break;
     case EM_S390:

-- 
Alan Modra
Australia Development Lab, IBM