i2ctransfer: replace broken "force" handling

Probably because of a bad rebase, the old and bogus handling (v1) of "force"
slipped into the latest version of the patch (v3). Apply the better
version from v2 which does the error handling correct and makes the code
a lot easier to understand.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
1 file changed