script: before patching, change directory

Signed-off-by: Anas Nashif <[email protected]>

Author: nashif

go.sh

@@ -41,7 +41,9 @@ export SDK_NG_HOME=${PWD}
 if [ ! -d "crosstool-ng" ]; then
 	git clone https://github.com/crosstool-ng/crosstool-ng.git
 	echo "Patching tree"
+	pushd crosstool-ng
 	patch -p1 < ${GITDIR}/patches/0001-iamcu-support-x86-iamcu-ABIs.patch
+	popd
 fi
 
 if [ ! -e "${SDK_NG_HOME}/bin/ct-ng" ]; then