Fix typos in the HyperV toolchain.
Signed-off-by: Adrian Vladu <avladu@xxxxxxxxxxxxxxxxxxxxxx>
Cc: "K. Y. Srinivasan" <kys@xxxxxxxxxxxxx>
Cc: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
Cc: Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>
Cc: Sasha Levin <sashal@xxxxxxxxxx>
Cc: Alessandro Pilotti <apilotti@xxxxxxxxxxxxxxxxxxxxxx>