i2c: sis630: Fix an error handling path in sis630_probe()

[ Upstream commit 2b22459792fcb4def9f0936d64575ac11a95a58d ]

If i2c_add_adapter() fails, the request_region() call in sis630_setup()
must be undone by a corresponding release_region() call, as done in the
remove function.

Fixes: 1da177e4 ("Linux-2.6.12-rc2")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/3d607601f2c38e896b10207963c6ab499ca5c307.1741033587.git.christophe.jaillet@wanadoo.fr


Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>