amd/lx: Move configuration from source to Kconfig

LX has two values that are usually automatically derived but can
be overridden, that were so far defined in each board's romstage.

These values, along with the toggle to enable override are now
part of LX's Kconfig. For boards that gave values but requested
autogeneration, the values are removed.

Further improvements: Figure out the various fields in PLLMSRlo
and make them sensible Kconfig options (instead of the hex value
it is now)

Change-Id: I8a17c89e4a3cb1b52aaceef645955ab7817b482d
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/1227
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/src/mainboard/lippert/roadrunner-lx/Kconfig b/src/mainboard/lippert/roadrunner-lx/Kconfig
index 2d11b33..f5ec9b9 100644
--- a/src/mainboard/lippert/roadrunner-lx/Kconfig
+++ b/src/mainboard/lippert/roadrunner-lx/Kconfig
@@ -14,6 +14,8 @@
 	# SST 49LF008A is possible.
 	select BOARD_ROMSIZE_KB_512
 	select POWER_BUTTON_FORCE_ENABLE
+	select PLL_MANUAL_CONFIG
+	select CORE_GLIU_500_333
 
 config MAINBOARD_DIR
 	string
@@ -34,4 +36,8 @@
 	  If selected, both on-board serial ports will operate in RS485 mode
 	  instead of RS232.
 
+config PLLMSRlo
+	hex
+	default 0x00de6001
+
 endif # BOARD_LIPPERT_ROADRUNNER_LX