docs/sp_SP: Add translation of process/maintainer-kvm-x86.rst

Translate Documentation/process/maintainer-kvm-x86.rst into Spanish.

Co-developed-by: Juan Embid <[email protected]>
Signed-off-by: Juan Embid <[email protected]>
Signed-off-by: Carlos Bilbao <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
[jc: fixed apply- and build-time warnings]
Link: https://lore.kernel.org/r/[email protected]

Author: Zildj1an

Documentation/translations/sp_SP/process/index.rst

@@ -29,3 +29,4 @@
    submit-checklist
    howto
    development-process
+   maintainer-kvm-x86