platform/x86: wmi: move variables

[ Upstream commit f5431bf1 ]

Move some variables in order to keep them
in the narrowest possible scope.

Signed-off-by: Barnabás Pőcze <pobrn@protonmail.com>
Link: https://lore.kernel.org/r/20210904175450.156801-22-pobrn@protonmail.com


Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Stable-dep-of: 028e6e20 ("platform/x86: wmi: Break possible infinite loop when parsing GUID")
Signed-off-by: Sasha Levin <sashal@kernel.org>