x86/hyperv: Cosmetic changes for hv_spinlock.c

Fix issues reported by checkpatch.pl script for hv_spinlock.c file.
- Place __initdata after variable name
- Add missing blank line after enum declaration

No functional changes intended.

Signed-off-by: Purna Pavan Chandra Aekkaladevi <paekkaladevi@linux.microsoft.com>
Reviewed-by: Saurabh Sengar <ssengar@linux.microsoft.com>
Link: https://lore.kernel.org/r/1710763751-14137-1-git-send-email-paekkaladevi@linux.microsoft.com


Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <1710763751-14137-1-git-send-email-paekkaladevi@linux.microsoft.com>