toolchain: rename OpenWrt into LEDE

Signed-off-by: Alexander Couzens <lynxis@fe80.eu>

target/toolchain/Config.in

@@ -1,8 +1,8 @@
 config MAKE_TOOLCHAIN
-	bool "Package the OpenWrt-based Toolchain"
+	bool "Package the LEDE-based Toolchain"
 	depends on !EXTERNAL_TOOLCHAIN
 	help
 	  Package the created toolchain as a tarball under the bin/ directory as
-	  OpenWrt-Toolchain-$(BOARD)-for-$(ARCH)$(ARCH_SUFFIX)-gcc-$(GCCV)$(DIR_SUFFIX).
+	  LEDE-Toolchain-$(BOARD)-for-$(ARCH)$(ARCH_SUFFIX)-gcc-$(GCCV)$(DIR_SUFFIX).
 	  For example, a toolchain for the MIPS architecture might be named
-	  OpenWrt-Toolchain-malta-for-mipsel_mips32-gcc-4.8-linaro_uClibc-0.9.33.2.tar.bz2.
+	  LEDE-Toolchain-malta-for-mipsel_mips32-gcc-4.8-linaro_uClibc-0.9.33.2.tar.bz2.

target/toolchain/files/README.TOOLCHAIN

@@ -1,2 +1,2 @@
-This is the OpenWrt SDK. It contains just the toolchain created 
+This is the LEDE SDK. It contains just the toolchain created
 by buildroot.