mkbootimg: add LICENSE file

Bug: b/460130254
Test: N/A
Change-Id: I273216cf05ea3180746378eb563cd382ae31a7b1
Reviewed-on: https://fuchsia-review.googlesource.com/c/third_party/android.googlesource.com/platform/system/tools/mkbootimg/+/1430444
Reviewed-by: Yecheng Zhao <zyecheng@google.com>
1 file changed