Kconfig: Rework MAINBOARD_HAS_NATIVE_VGA_INIT_TEXTMODECFG

* Rename it to HAVE_VGA_TEXT_FRAMEBUFFER.
* Let drivers select it if they are in charge.
* Don't select it on the mainboard level if a driver handles it.

Change-Id: I2d9d09be9aa6d019e77460e69a245ad2d8cda4ea
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/19791
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/src/northbridge/intel/i945/Kconfig b/src/northbridge/intel/i945/Kconfig
index 3bb042e..8492d77 100644
--- a/src/northbridge/intel/i945/Kconfig
+++ b/src/northbridge/intel/i945/Kconfig
@@ -27,6 +27,7 @@
 	select INTEL_GMA_SSC_ALTERNATE_REF
 	select RELOCATABLE_RAMSTAGE
 	select INTEL_EDID
+	select HAVE_VGA_TEXT_FRAMEBUFFER if MAINBOARD_DO_NATIVE_VGA_INIT
 
 config NORTHBRIDGE_INTEL_SUBTYPE_I945GC
 	def_bool n