PCI: hv: Correct a comment

PCI: hv: Correct a comment

The VF driver controls an endpoint attached to the PCI HyperV
controller. An invalidation sent by the PF driver in the host
would be delivered *to* the endpoint driver by the controller
driver.

Thus, correct the wording within the comment.

Signed-off-by: Easwar Hariharan <eahariha@linux.microsoft.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Link: https://lore.kernel.org/r/20250207190716.89995-1-eahariha@linux.microsoft.com
[kwilczynski: commit log]
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>