mb/facebook/fbg1701: Remove ONBOARD_MICRON_MEM

ONBOARD_MICRON_MEM and ONBOARD_SAMSUNG_MEM are available.
These are used to determine if Samsung or Micron onboard memory is
assembled. This can not detected run-time.

Choice is replaced by one config.
Only oldest HW revision contains Samsung module, so set
CONFIG_ONBOARD_SAMSUNG memory to default No.

BUG=N/A
TEST=Boot and verified on Facebook FBG-1701

Change-Id: Id65e92bd4b8d4fe3a6b87dec9bf77e3a62e1be96
Signed-off-by: Frans Hendriks <fhendriks@eltan.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35742
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
diff --git a/src/mainboard/facebook/fbg1701/Kconfig b/src/mainboard/facebook/fbg1701/Kconfig
index 402165d..0aa4acc 100644
--- a/src/mainboard/facebook/fbg1701/Kconfig
+++ b/src/mainboard/facebook/fbg1701/Kconfig
@@ -31,21 +31,12 @@
 	select INTEL_GMA_HAVE_VBT
 	select GENERIC_SPD_BIN
 
-choice
-	prompt "Onboard memory manufacturer"
-	default ONBOARD_MICRON_MEM
-
 config ONBOARD_SAMSUNG_MEM
-	bool "Samsung"
+	bool "Onboard memory manufacturer Samsung"
+	default n
 	help
 	  Samsung K4B8G1646D memory
 
-config ONBOARD_MICRON_MEM
-	bool "Micron"
-	help
-	  Micron MT41K512M16HA memory
-endchoice
-
 config MAINBOARD_DIR
 	string
 	default facebook/fbg1701