enetc: Add missing call to 'pci_free_irq_vectors()' in probe and remove functions

enetc: Add missing call to 'pci_free_irq_vectors()' in probe and remove functions

[ Upstream commit dd7078f05e1b774a9e8c9f117101d97e4ccd0691 ]

Call to 'pci_free_irq_vectors()' are missing both in the error handling
path of the probe function, and in the remove function.
Add them.

Fixes: 19971f5ea0ab ("enetc: add PTP clock driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>