mb/hp: Add data.vbt files for folio_9470m and revolve_810_g1

Extracted from live running machines running vendor firmware.

Change-Id: I5082af9349c25a5f1759ba00b3fbf8d18f8fde4d
Signed-off-by: Bill XIE <persmule@hardenedlinux.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37806
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

src/mainboard/hp/folio_9470m/Kconfig

@@ -18,6 +18,7 @@ config BOARD_SPECIFIC_OPTIONS
 	select MAINBOARD_HAS_LIBGFXINIT
 	select GFX_GMA_INTERNAL_IS_LVDS
 	select MAINBOARD_USES_IFD_GBE_REGION
+	select INTEL_GMA_HAVE_VBT
 
 config MAINBOARD_DIR
 	string

src/mainboard/hp/revolve_810_g1/Kconfig

@@ -20,6 +20,7 @@ config BOARD_SPECIFIC_OPTIONS
 	select MAINBOARD_HAS_LIBGFXINIT
 	select GFX_GMA_INTERNAL_IS_LVDS
 	select MAINBOARD_USES_IFD_GBE_REGION
+	select INTEL_GMA_HAVE_VBT
 
 config MAINBOARD_DIR
 	string