drm: select FRAMEBUFFER_CONSOLE_PRIMARY if we have FRAMEBUFFER_CONSOLE

Multi-gpu/switcheroo relies on this option to get the console on the
correct GPU at bootup, some distros enable it but it seems some get
it wrong.

cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index c58f691..b493663 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -24,6 +24,7 @@
 	depends on DRM
 	select FB
 	select FRAMEBUFFER_CONSOLE if !EXPERT
+	select FRAMEBUFFER_CONSOLE_DETECT_PRIMARY if FRAMEBUFFER_CONSOLE
 	help
 	  FB and CRTC helpers for KMS drivers.