intel: annotate the intel genx helpers as private

They're used internally and never meant to be part of the API.
Add the drm_private notation, which should resolve that.

v2: (Rodrigo) Add missing include.
v3: (Rodrigo) Keep includes grouped per Eric suggestion.

Cc: Eric Engestrom <[email protected]>
Cc: Lucas De Marchi <[email protected]>
Cc: Chris Wilson <[email protected]>
Cc: Rodrigo Vivi <[email protected]>
Fixes: 4e81d4f9c9b ("intel: add generic functions to check PCI ID")
Signed-off-by: Emil Velikov <[email protected]>
Acked-by: Lucas De Marchi <[email protected]>
Signed-off-by: Rodrigo Vivi <[email protected]>
Reviewed-by: Eric Engestrom <[email protected]>
2 files changed