Bump newlib to 3.0.0

kito-cheng · kito-cheng · commit 5dd463359192 · 2018-06-07T09:58:23.000+08:00
diff --git a/riscv-newlib b/riscv-newlib
@@ -1 +1 @@
-Subproject commit 0bb64b9508bdbe3e2500a5f5efa5baec20838042
+Subproject commit 320b28ea27c71df7afe62b21a220f77aef9eb88a
