flashrom: update to 1.8.0 and backport support for new flashchips - #30793

Checking PR #30793: flashrom: update to 1.8.0 and backport support for new flashchips (Formalities Audit)

✅ Pull request originates from a dedicated feature branch (flashrom-1.8.0)

Commit 6751fec - flashrom: update to 1.8.0:

✅ Author and committer identities are valid
✅ Commit is not a merge commit
✅ Commit subject layout and length are valid: "flashrom: update to 1.8.0"
✅ Commit description lines adhere to width formatting rules
✅ Commit contains a valid 'Signed-off-by:' line matching author or committer
⚠️ Warning: Commit is unsigned or cryptographic signature verification failed (Reason: unsigned). Signing commits is a recommended best practice for verifying identity, but is not mandatory.

Commit 298ad06 - flashrom: backport support for new flashchips:

✅ Author and committer identities are valid
✅ Commit is not a merge commit
✅ Commit subject layout and length are valid: "flashrom: backport support for new flashchips"
✅ Commit description lines adhere to width formatting rules
✅ Commit contains a valid 'Signed-off-by:' line matching author or committer
⚠️ Warning: Commit is unsigned or cryptographic signature verification failed (Reason: unsigned). Signing commits is a recommended best practice for verifying identity, but is not mandatory.