[AArch64] [-mtune cleanup 1/5] Remove -march=generic.

gcc/
	* config/aarch64/aarch64.c (all_architectures): Remove "generic".

From-SVN: r204781

gcc/ChangeLog

+2013-11-14  James Greenhalgh  <james.greenhalgh@arm.com>
+
+	* config/aarch64/aarch64.c (all_architectures): Remove "generic".
+
 2013-11-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 
 	* config/aarch64/aarch64.c: Include aarch-cost-tables.h.

gcc/config/aarch64/aarch64.c

@@ -237,7 +237,6 @@ static const struct processor all_architectures[] =
   {NAME, CORE, #ARCH, FLAGS, NULL},
 #include "aarch64-arches.def"
 #undef AARCH64_ARCH
-  {"generic", generic, "8", AARCH64_FL_FOR_ARCH8, NULL},
   {NULL, aarch64_none, NULL, 0, NULL}
 };