mshv: Introduce hv_deposit_memory helper functions

Introduce hv_deposit_memory_node() and hv_deposit_memory() helper
functions to handle memory deposit with proper error handling.

The new hv_deposit_memory_node() function takes the hypervisor status
as a parameter and validates it before depositing pages. It checks for
HV_STATUS_INSUFFICIENT_MEMORY specifically and returns an error for
unexpected status codes.

This is a precursor patch to new out-of-memory error codes support.
No functional changes intended.

Signed-off-by: Stanislav Kinsburskii <skinsburskii@linux.microsoft.com>
Reviewed-by: Anirudh Rayabharam (Microsoft) <anirudh@anirudhrb.com>
Reviewed-by: Mukesh R <mrathor@linux.microsoft.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>

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