Documentation: hyperv: Update spelling and fix typo

Update spelling from "VMbus" to "VMBus" to match Hyper-V product
documentation. Also correct typo: "SNP-SEV" should be "SEV-SNP".

Signed-off-by: Michael Kelley <mhklinux@outlook.com>
Reviewed-by: Easwar Hariharan <eahariha@linux.microsoft.com>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Link: https://lore.kernel.org/r/20240511133818.19649-1-mhklinux@outlook.com


Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <20240511133818.19649-1-mhklinux@outlook.com>