purism/librem13v1: Rename librem13 to librem13v1

A simple rename of the directory and the config values
and string in Kconfig/Kconfig.name/board_info.txt

It will be less confusing for users since the first models
are referred to as 'v1' everywhere now.

Change-Id: I23fa977717230c2001868741bb684e9633a2c0bb
Signed-off-by: Youness Alaoui <youness.alaoui@puri.sm>
Reviewed-on: https://review.coreboot.org/19931
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>

src/mainboard/purism/librem13/Kconfig.name

@@ -1,2 +0,0 @@
-config BOARD_PURISM_LIBREM13
-	bool "Librem 13"

src/mainboard/purism/librem13v1/Kconfig

@@ -1,4 +1,4 @@
-if BOARD_PURISM_LIBREM13
+if BOARD_PURISM_LIBREM13_V1
 
 config BOARD_SPECIFIC_OPTIONS # dummy
 	def_bool y
@@ -31,11 +31,11 @@ config HAVE_ME_BIN
 
 config MAINBOARD_DIR
 	string
-	default purism/librem13
+	default purism/librem13v1
 
 config MAINBOARD_PART_NUMBER
 	string
-	default "Librem 13"
+	default "Librem 13 v1"
 
 config MAX_CPUS
 	int

src/mainboard/purism/librem13v1/Kconfig.name

@@ -0,0 +1,2 @@
+config BOARD_PURISM_LIBREM13_V1
+	bool "Librem 13 v1"

src/mainboard/purism/librem13v1/board_info.txt

@@ -1,6 +1,6 @@
 Category: laptop
 Vendor name: Purism
-Board name: Librem 13
+Board name: Librem 13 v1
 Board URL: https://puri.sm/librem-13/
 ROM package: SOIC8
 ROM protocol: SPI