Update riscv-gnu-toolchain to bf5697a

Makefile

@@ -1,5 +1,5 @@
 
-RISCV_GNU_TOOLCHAIN_GIT_REVISION = e9f5458
+RISCV_GNU_TOOLCHAIN_GIT_REVISION = bf5697a
 RISCV_GNU_TOOLCHAIN_INSTALL_PREFIX = /opt/riscv32
 
 SHELL = bash

README.md

@@ -632,7 +632,7 @@ pure RV32I target, and install it in `/opt/riscv32i`:
 
     git clone https://github.com/riscv/riscv-gnu-toolchain riscv-gnu-toolchain-rv32i
     cd riscv-gnu-toolchain-rv32i
-    git checkout e9f5458
+    git checkout bf5697a
     git submodule update --init --recursive
 
     mkdir build; cd build
@@ -661,7 +661,7 @@ By default calling any of those make targets will (re-)download the toolchain
 sources. Run `make download-tools` to download the sources to `/var/cache/distfiles/`
 once in advance.
 
-*Note: This instructions are for git rev e9f5458 (2017-10-14) of riscv-gnu-toolchain.*
+*Note: This instructions are for git rev bf5697a (2017-11-18) of riscv-gnu-toolchain.*
 
 
 Linking binaries with newlib for PicoRV32

tests/riscv_test.h

@@ -27,7 +27,7 @@ TEST_FUNC_NAME:				\
 .test_name:				\
 	.ascii TEST_FUNC_TXT;		\
 	.byte 0x00;			\
-	.balign 4;			\
+	.balign 4, 0;			\
 .prname_done:				\
 	addi	a1,zero,'.';		\
 	sw	a1,0(a2);		\