bump of riscv-gcc submodule archive. This to include the RV32 modifications for libc (linux build)

HarryTL · HarryTL · commit bc89933b5035 · 2016-10-12T14:58:23.000+02:00
diff --git a/riscv-gcc b/riscv-gcc
@@ -1 +1 @@
-Subproject commit e90d8dc6f429856510a51371d21dacd97ef68d41
+Subproject commit 47f548c28524fc8aebedd525d63cf0a9714d0711
