mb/google/deltaur: Move selects from Kconfig.name to Kconfig

Move selects from Kconfig.name to Kconfig so that the configuration is
at one place and not distributed over two files.

Change-Id: I9b523ebee2d2af8585736588306ca687dfe16003
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60366
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
diff --git a/src/mainboard/google/deltaur/Kconfig b/src/mainboard/google/deltaur/Kconfig
index e1874e3..45e8258 100644
--- a/src/mainboard/google/deltaur/Kconfig
+++ b/src/mainboard/google/deltaur/Kconfig
@@ -19,6 +19,12 @@
 	select SOC_INTEL_TIGERLAKE
 	select SYSTEM_TYPE_LAPTOP
 
+config BOARD_GOOGLE_DELTAN
+	select BOARD_GOOGLE_BASEBOARD_DELTAUR
+
+config BOARD_GOOGLE_DELTAUR
+	select BOARD_GOOGLE_BASEBOARD_DELTAUR
+
 if BOARD_GOOGLE_BASEBOARD_DELTAUR
 
 config CHROMEOS
diff --git a/src/mainboard/google/deltaur/Kconfig.name b/src/mainboard/google/deltaur/Kconfig.name
index 5c4c12b..2e04d67 100644
--- a/src/mainboard/google/deltaur/Kconfig.name
+++ b/src/mainboard/google/deltaur/Kconfig.name
@@ -2,8 +2,6 @@
 
 config BOARD_GOOGLE_DELTAN
 	bool "->  Deltan"
-	select BOARD_GOOGLE_BASEBOARD_DELTAUR
 
 config BOARD_GOOGLE_DELTAUR
 	bool "->  Deltaur"
-	select BOARD_GOOGLE_BASEBOARD_DELTAUR