t430/x230 legacy flash boards: unify so they specify coreboot config files as all other boards

(Otherwise, renaming board requires to rename coreboot config file as well since BOARD is used to pick corresponding one when undefined)

Author: tlaurion

boards/UNTESTED_t430-legacy-flash/UNTESTED_t430-legacy-flash.config

@@ -1,9 +1,16 @@
 # Minimal configuration for a t430 to support flashrom and USB
+# This top SPI flash image needed to flash legacy board counterpart internally
+# This image can be flashed through 1vyrain and skulls
+# IDEALLY you should flash maximized top and bottom rom images exteranlly once instead.
 
 export CONFIG_COREBOOT=y
 export CONFIG_COREBOOT_VERSION=4.19
 export CONFIG_LINUX_VERSION=5.10.5
 
+CONFIG_COREBOOT_CONFIG=config/coreboot-x230-legacy-flash.config
+CONFIG_LINUX_CONFIG=config/linux-x230-flash.config
+
+#Add bare minimal tools for flashing boards
 CONFIG_BASH=n
 CONFIG_FLASHROM=y
 #CONFIG_GPG=y
@@ -14,7 +21,7 @@ CONFIG_PCIUTILS=y
 #CONFIG_TPMTOTP=y
 #CONFIG_DROPBEAR=y
 
-CONFIG_LINUX_CONFIG=config/linux-x230-flash.config
+#Additional hardware support
 CONFIG_LINUX_USB=y
 #CONFIG_LINUX_E1000E=y
 

boards/x230-legacy-flash/x230-legacy-flash.config

@@ -1,9 +1,16 @@
 # Minimal configuration for a x230 to support flashrom and USB
+# This top SPI flash image needed to flash legacy board counterpart internally
+# This image can be flashed through 1vyrain and skulls
+# IDEALLY you should flash maximized top and bottom rom images exteranlly once instead.
 
 export CONFIG_COREBOOT=y
 export CONFIG_COREBOOT_VERSION=4.19
 export CONFIG_LINUX_VERSION=5.10.5
 
+CONFIG_COREBOOT_CONFIG=config/coreboot-t430-legacy-flash.config
+CONFIG_LINUX_CONFIG=config/linux-x230-flash.config
+
+#Add bare minimal tools for flashing boards
 CONFIG_BASH=n
 CONFIG_FLASHROM=y
 #CONFIG_GPG=y
@@ -14,7 +21,7 @@ CONFIG_PCIUTILS=y
 #CONFIG_TPMTOTP=y
 #CONFIG_DROPBEAR=y
 
-CONFIG_LINUX_CONFIG=config/linux-x230-flash.config
+#Additional hardware support
 CONFIG_LINUX_USB=y
 #CONFIG_LINUX_E1000E=y