purism/librem_skl: remove 13v3 target, clean up Kconfig

Remove the Librem 13v3 as a separate board; instead build a
single firmware image for the 13 v2/v3 boards.

Clean up Kconfig options:
- remove entries for 13v3 board
- fold entries into a single line where possible
- remove redundant MAINBOARD_VERSION option (will default to 1.0)
- remove unused microcode length/location (only needed for FSP CAR)

Test: build/boot Librem 13 v2/v3 boards with same image

Change-Id: Ic09b8ec5c576f4c4c48ef30ee3f60a4c2c286cd3
Signed-off-by: Matt DeVillier <matt.devillier@puri.sm>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32515
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
diff --git a/src/mainboard/purism/librem_skl/Kconfig b/src/mainboard/purism/librem_skl/Kconfig
index 965318f..2372b9d 100644
--- a/src/mainboard/purism/librem_skl/Kconfig
+++ b/src/mainboard/purism/librem_skl/Kconfig
@@ -19,11 +19,8 @@
 
 config VARIANT_DIR
 	string
-	default "librem13v2" if BOARD_PURISM_LIBREM13_V2
-	default "librem13v2" if BOARD_PURISM_LIBREM13_V3
-	default "librem15v3" if BOARD_PURISM_LIBREM15_V3
-	default "librem13v2" if BOARD_PURISM_LIBREM13_V4
-	default "librem15v3" if BOARD_PURISM_LIBREM15_V4
+	default "librem13v2" if BOARD_PURISM_LIBREM13_V2 || BOARD_PURISM_LIBREM13_V4
+	default "librem15v3" if BOARD_PURISM_LIBREM15_V3 || BOARD_PURISM_LIBREM15_V4
 
 config MAINBOARD_VENDOR
 	string
@@ -31,28 +28,16 @@
 
 config MAINBOARD_FAMILY
 	string
-	default "Librem 13" if BOARD_PURISM_LIBREM13_V2
-	default "Librem 13" if BOARD_PURISM_LIBREM13_V3
-	default "Librem 15" if BOARD_PURISM_LIBREM15_V3
-	default "Librem 13" if BOARD_PURISM_LIBREM13_V4
-	default "Librem 15" if BOARD_PURISM_LIBREM15_V4
+	default "Librem 13" if BOARD_PURISM_LIBREM13_V2 || BOARD_PURISM_LIBREM13_V4
+	default "Librem 15" if BOARD_PURISM_LIBREM15_V3 || BOARD_PURISM_LIBREM15_V4
 
 config MAINBOARD_PART_NUMBER
 	string
 	default "Librem 13 v2" if BOARD_PURISM_LIBREM13_V2
-	default "Librem 13 v2" if BOARD_PURISM_LIBREM13_V3
 	default "Librem 15 v3" if BOARD_PURISM_LIBREM15_V3
 	default "Librem 13 v4" if BOARD_PURISM_LIBREM13_V4
 	default "Librem 15 v4" if BOARD_PURISM_LIBREM15_V4
 
-config MAINBOARD_VERSION
-	string
-	default "2.0" if BOARD_PURISM_LIBREM13_V2
-	default "3.0" if BOARD_PURISM_LIBREM13_V3
-	default "3.0" if BOARD_PURISM_LIBREM15_V3
-	default "4.0" if BOARD_PURISM_LIBREM13_V4
-	default "4.0" if BOARD_PURISM_LIBREM15_V4
-
 config MAINBOARD_DIR
 	string
 	default "purism/librem_skl"
@@ -67,11 +52,8 @@
 
 config VGA_BIOS_ID
 	string
-	default "8086,1916" if BOARD_PURISM_LIBREM13_V2
-	default "8086,1916" if BOARD_PURISM_LIBREM13_V3
-	default "8086,1916" if BOARD_PURISM_LIBREM15_V3
-	default "8086,5916" if BOARD_PURISM_LIBREM13_V4
-	default "8086,5916" if BOARD_PURISM_LIBREM15_V4
+	default "8086,1916" if BOARD_PURISM_LIBREM13_V2 || BOARD_PURISM_LIBREM15_V3
+	default "8086,5916" if BOARD_PURISM_LIBREM13_V4 || BOARD_PURISM_LIBREM15_V4
 
 config DIMM_MAX
 	int
@@ -81,14 +63,6 @@
 	int
 	default 512
 
-config CPU_MICROCODE_CBFS_LEN
-	hex
-	default 0x18000
-
-config CPU_MICROCODE_CBFS_LOC
-	hex
-	default 0xFFE115A0
-
 config CBFS_SIZE
 	hex
 	default 0xe00000