gpio: tb10x: Fix an error handling path in tb10x_gpio_probe()

[ Upstream commit b547b5e52a0587e6b25ea520bf2f9e03d00cbcb6 ]

If an error occurs after a successful irq_domain_add_linear() call, it
should be undone by a corresponding irq_domain_remove(), as already done
in the remove function.

Fixes: c6ce2b6b ("gpio: add TB10x GPIO driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>