mutiple fixes: parallel printf, fixed cycle in cache, opencl refactored vecadd and sgemm, regen opencl kernels with hard-float, fixed vortex io bus interface, fixed dpi floats APi to support multicore mode, make vlsim multicore default, make rtlsim multi-core default, removed POCL binaries from repository, updated Makefiles to use external POCL

hw/rtl/VX_lsu_unit.v

@@ -137,7 +137,7 @@ module VX_lsu_unit #(
 
     // Core Request
     assign dcache_req_if.valid  = {`NUM_THREADS{valid_in && ~lsuq_full && ~store_stall}} & req_tmask;
-    assign dcache_req_if.rw     = {`NUM_THREADS{req_rw}};
+    assign dcache_req_if.rw     = req_rw;
     assign dcache_req_if.byteen = req_byteen;
     assign dcache_req_if.addr   = req_addr;
     assign dcache_req_if.data   = req_data;