Limit direct sgemm to x86_64

kernel/setparam-ref.c

@@ -134,13 +134,12 @@ gotoblas_t TABLE_NAME = {
   srot_kTS,   saxpy_kTS,  sscal_kTS, sswap_kTS,
   sgemv_nTS,  sgemv_tTS, sger_kTS,
   ssymv_LTS, ssymv_UTS,
+
 #ifdef ARCH_X86_64
   sgemm_directTS,
-  sgemm_direct_performantTS,
-#else
-  sgemm_direct,
-  sgemm_direct_performant,	
+  sgemm_direct_performantTS,	
 #endif
+	
   sgemm_kernelTS, sgemm_betaTS,
 #if SGEMM_DEFAULT_UNROLL_M != SGEMM_DEFAULT_UNROLL_N
   sgemm_incopyTS, sgemm_itcopyTS,