toolchain-external: add support for the Blackfin 2013R1 toolchain

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
diff --git a/toolchain/toolchain-external/Config.in b/toolchain/toolchain-external/Config.in
index e559902..0f25db3 100644
--- a/toolchain/toolchain-external/Config.in
+++ b/toolchain/toolchain-external/Config.in
@@ -665,6 +665,23 @@
 	  Other architecture variants (beyond Pentium-4/Xeon) are
 	  supported as well, but glibc is not optimised for it.
 
+config BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2013R1
+	bool "Blackfin.uclinux.org 2013R1"
+	depends on BR2_bfin
+	depends on BR2_HOSTARCH = "x86_64" || BR2_HOSTARCH = "x86"
+	select BR2_TOOLCHAIN_EXTERNAL_UCLIBC
+	select BR2_INSTALL_LIBSTDCPP
+	select BR2_LARGEFILE
+	select BR2_INET_IPV6
+	select BR2_TOOLCHAIN_HAS_NATIVE_RPC
+	select BR2_USE_WCHAR
+	select BR2_TOOLCHAIN_HAS_THREADS
+	select BR2_TOOLCHAIN_HAS_THREADS_DEBUG
+	select BR2_HOSTARCH_NEEDS_IA32_LIBS
+	help
+	  Toolchain for the Blackfin architecture, from
+	  http://blackfin.uclinux.org.
+
 config BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2012R2
 	bool "Blackfin.uclinux.org 2012R2-RC2"
 	depends on BR2_bfin
@@ -873,6 +890,8 @@
 	default "bfin-linux-uclibc"	 if BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2012R1 && BR2_BINFMT_FDPIC
 	default "bfin-uclinux"		 if BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2012R2 && BR2_BINFMT_FLAT
 	default "bfin-linux-uclibc"	 if BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2012R2 && BR2_BINFMT_FDPIC
+	default "bfin-uclinux"		 if BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2013R1 && BR2_BINFMT_FLAT
+	default "bfin-linux-uclibc"	 if BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2013R1 && BR2_BINFMT_FDPIC
 	default BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX \
 					 if BR2_TOOLCHAIN_EXTERNAL_CUSTOM