Update lss README.crashpad to point to corrected name for license
Update lss README.crashpad to point to corrected name for license

The header at
https://chromium.googlesource.com/linux-syscall-support/+/refs/heads/main
uses underscores, not hyphens.

Bug: b/173235782
Change-Id: I77bd7f807c8bc2d9e0fa36c5b59394ffdcb769bb
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/2551757
Reviewed-by: Mark Mentovai <f1b5a91d4d6ad523f2610114591c007e75d15084@chromium.org>
Commit-Queue: Scott Graham <e134406e1863f3b48b0795831afac5c0595efb36@chromium.org>

chromium/crashpad,chromium/crashpad,chromium/crashpad