[PATCH 6/6] kbuild: use git-archive for source package creation

[youling257]

This patch cause build time a bit longer.
I use "time make targz-pkg -i -j8" build kernel, this patch will first create *.tar file, then create *.tar.gz file, build time a bit longer.
'./System.map' -> 'tar-install/boot/System.map-6.3.0-rc5-android-x86_64+'
'.config' -> 'tar-install/boot/config-6.3.0-rc5-android-x86_64+'
'./vmlinux' -> 'tar-install/boot/vmlinux-6.3.0-rc5-android-x86_64+'
'./arch/x86/boot/bzImage' -> 'tar-install/boot/vmlinuz-6.3.0-rc5-android-x86_64+'
  TAR     linux-6.3.0-rc5-android-x86_64+-x86.tar
  GZIP    linux-6.3.0-rc5-android-x86_64+-x86.tar.gz

real    0m37.991s
user    0m47.529s
sys     0m8.235s

Revert "kbuild: use git-archive for source package creation"
'./System.map' -> 'tar-install/boot/System.map-6.3.0-rc5-android-x86_64+'
'.config' -> 'tar-install/boot/config-6.3.0-rc5-android-x86_64+'
'./vmlinux' -> 'tar-install/boot/vmlinux-6.3.0-rc5-android-x86_64+'
'./arch/x86/boot/bzImage' -> 'tar-install/boot/vmlinuz-6.3.0-rc5-android-x86_64+'
  TAR     linux-6.3.0-rc5-android-x86_64+-x86.tar.gz

real    0m11.006s
user    0m21.079s
sys     0m7.830s

I don't like *.tar file, i will delete *.tar file when every time build kernel, i need *.tar.gz file, if one file is i needn't, i will delete it.
linux-6.3.0-rc5-android-x86_64+-x86.tar.gz file is i need, linux-6.3.0-rc5-android-x86_64+-x86.tar is i needn't.