util/release/genrelnotes: Don't assume we're on origin/master

A release may be done from an older commit. It's also not a problem as
commits are stored in the reflog (unlike local changes that the script
guards properly).

Change-Id: I26f1c16c1cdfc9e77e28528b3327ce30c5b82b19
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/30341
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>

0 files changed, 0 insertions, 0 deletions