README update

Author: ilg-ul

patches/README.md

@@ -21,8 +21,8 @@ A new patch was prepared based on upstream and Iain Sandoe:
 
 ```sh
 rm -rf ~/tmp/gcc-11-branch.git
-git clone https://github.com/iains/gcc-11-branch.git --depth 3 ~/tmp/gcc-11-branch.git/gcc-11-branch.git
-git -C ~/tmp/gcc-11-branch.git/gcc-11-branch.git diff releases/gcc-11.5.0..gcc-11.5-darwin-r0 >~/Work/xpack-dev-tools/gcc-xpack.git/patches/gcc-11.5.0-darwin.git.patch
+git clone https://github.com/iains/gcc-11-branch.git ~/tmp/gcc-11-branch.git
+git -C ~/tmp/gcc-11-branch.git diff releases/gcc-11.5.0..gcc-11.5-darwin-r0 >~/Work/xpack-dev-tools/gcc-xpack.git/patches/gcc-11.5.0-darwin.git.patch
 ```
 
 ## gcc 12.4
@@ -34,8 +34,8 @@ A new patch was prepared based on upstream and iains:
 
 ```sh
 rm -rf ~/tmp/gcc-12-branch.git
-git clone https://github.com/iains/gcc-12-branch.git --depth 3 ~/tmp/gcc-12-branch.git/gcc-12-branch.git
-git -C ~/tmp/gcc-12-branch.git/gcc-12-branch.git diff 2bada4bc59bed4be34fab463bdb3c3ebfd2b41bb..gcc-12.4-darwin-r0 >~/Work/xpack-dev-tools/gcc-xpack.git/patches/gcc-12.4.0-darwin.git.patch
+git clone https://github.com/iains/gcc-12-branch.git ~/tmp/gcc-12-branch.git
+git -C ~/tmp/gcc-12-branch.git diff 2bada4bc59bed4be34fab463bdb3c3ebfd2b41bb..gcc-12.4-darwin-r0 >~/Work/xpack-dev-tools/gcc-xpack.git/patches/gcc-12.4.0-darwin.git.patch
 ```
 
 ## gcc 13.3