purism/librem_bdw: Rename Broadwell baseboard from BDL to BDW

My bad, it seems the acronym for Broadwell is BDW, and not BDL, so
I'm renaming librem_bdl into librem_bdw and changing the KConfig
options accordingly.

Change-Id: I8e992aa3474863236adf8893fcbe37c1b801fa25
Signed-off-by: Youness Alaoui <youness.alaoui@puri.sm>
Reviewed-on: https://review.coreboot.org/26237
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/purism/librem_bdw/Kconfig

@@ -1,4 +1,4 @@
-config BOARD_PURISM_BASEBOARD_LIBREM_BDL
+config BOARD_PURISM_BASEBOARD_LIBREM_BDW
 	def_bool n
 	select SYSTEM_TYPE_LAPTOP
 	select BOARD_ROMSIZE_KB_8192
@@ -8,7 +8,7 @@ config BOARD_PURISM_BASEBOARD_LIBREM_BDL
 	select INTEL_INT15
 	select SOC_INTEL_BROADWELL
 
-if BOARD_PURISM_BASEBOARD_LIBREM_BDL
+if BOARD_PURISM_BASEBOARD_LIBREM_BDW
 
 config VARIANT_DIR
 	string
@@ -47,7 +47,7 @@ config HAVE_ME_BIN
 
 config MAINBOARD_DIR
 	string
-	default purism/librem_bdl
+	default purism/librem_bdw
 
 config MAINBOARD_VENDOR
 	string

src/mainboard/purism/librem_bdw/Kconfig.name

@@ -1,7 +1,7 @@
 config BOARD_PURISM_LIBREM13_V1
 	bool "Librem 13 v1"
-	select BOARD_PURISM_BASEBOARD_LIBREM_BDL
+	select BOARD_PURISM_BASEBOARD_LIBREM_BDW
 
 config BOARD_PURISM_LIBREM15_V2
 	bool "Librem 15 v2"
-	select BOARD_PURISM_BASEBOARD_LIBREM_BDL
+	select BOARD_PURISM_BASEBOARD_LIBREM_BDW