toolchain-layer: move binutils and gcc from meta-oe into here

Acked-by: Martin Jansa <Martin.Jansa@gmail.com>
Acked-by: Eric Bénard <eric@eukrea.com>
Acked-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>

toolchain-layer/recipes-devtools/gcc/gcc-cross_4.5.bb

@@ -0,0 +1,9 @@
+
+require recipes-devtools/gcc/gcc-${PV}.inc
+require recipes-devtools/gcc/gcc-cross4.inc
+
+EXTRA_OECONF += "--disable-libunwind-exceptions \
+                 --with-mpfr=${STAGING_DIR_NATIVE}${prefix_native} \
+                 --with-system-zlib "
+
+ARCH_FLAGS_FOR_TARGET += "-isystem${STAGING_DIR_TARGET}${target_includedir}"