staging: vc04_services: remove header include path to vc04_services

Fix up some relative paths in #include "..." directives, and remove
the include path to drivers/staging/vc04_services.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Link: https://lore.kernel.org/r/20200110135615.11617-1-masahiroy@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>