Revert "xtensa: remove unused script"

This reverts commit 67d290540e8576e4b996b965b840266d9eb1e29f.

The script is actually used to generate the _soc_inthandlers.h
file when introducing a new Xtensa SoC. So restore it.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
1 file changed