Fix bug with getting the SHA version of crosstool-ng we specify

We need to apply any patches to crosstool-ng after we checkout the
specific SHA version we are referencing.  If not, we end up with the top
of tree SHA since git will not checkout the version if there are
modified files.

Signed-off-by: Kumar Gala <[email protected]>

Author: galak

go.sh

@@ -42,13 +42,13 @@ if [ ! -d "crosstool-ng" ]; then
 	git clone https://github.com/crosstool-ng/crosstool-ng.git
 	echo "Patching tree"
 	pushd crosstool-ng
+	git checkout ${COMMIT}
 	patch -p1 < ${GITDIR}/patches/0001-iamcu-support-x86-iamcu-ABIs.patch
 	popd
 fi
 
 if [ ! -e "${SDK_NG_HOME}/bin/ct-ng" ]; then
 	pushd crosstool-ng
-	git checkout ${COMMIT}
 	./bootstrap
 	CFLAGS="-DKBUILD_NO_NLS" ./configure --prefix=${SDK_NG_HOME}
 	make && make install