u-boot-kontron: Add 2020.01 recipe

This includes the recipe and a backported patch (from 2020.04) to fix
the build using GCC 10.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>

recipes-bsp/u-boot/u-boot-kontron/Remove-redundant-YYLOC-global-declaration.patch

@@ -0,0 +1,31 @@
+From 94e01f12ee60f7781ec3635a147d68c1e8baccd8 Mon Sep 17 00:00:00 2001
+From: Peter Robinson <pbrobinson@gmail.com>
+Date: Thu, 30 Jan 2020 09:37:15 +0000
+Subject: [PATCH] Remove redundant YYLOC global declaration
+Organization: O.S. Systems Software LTDA.
+
+Same as the upstream fix for building dtc with gcc 10.
+
+Upstream-Status: Backport [2020.04]
+
+Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
+(cherry picked from commit 018921ee79d3f30893614b3b2b63b588d8544f73)
+---
+ scripts/dtc/dtc-lexer.l | 1 -
+ 1 file changed, 1 deletion(-)
+
+diff --git a/scripts/dtc/dtc-lexer.l b/scripts/dtc/dtc-lexer.l
+index fd825ebba69..24af5499775 100644
+--- a/scripts/dtc/dtc-lexer.l
++++ b/scripts/dtc/dtc-lexer.l
+@@ -38,7 +38,6 @@ LINECOMMENT	"//".*\n
+ #include "srcpos.h"
+ #include "dtc-parser.tab.h"
+ 
+-YYLTYPE yylloc;
+ extern bool treesource_error;
+ 
+ /* CAUTION: this will stop working if we ever use yyless() or yyunput() */
+-- 
+2.26.2
+

recipes-bsp/u-boot/u-boot-kontron/fw_env.config

@@ -0,0 +1 @@
+/dev/mmcblk0		0xf0000		0x10000

recipes-bsp/u-boot/u-boot-kontron_2020.01.bb

@@ -0,0 +1,37 @@
+# Copyright (C) 2012-2019 O.S. Systems Software LTDA.
+# Released under the MIT license (see COPYING.MIT for the terms)
+
+inherit fsl-u-boot-localversion
+
+require recipes-bsp/u-boot/u-boot.inc
+
+SUMMARY = "U-Boot for Kontron based boards"
+DEPENDS += "bison-native bc-native dtc-native lzop-native"
+
+LICENSE = "GPLv2+"
+LIC_FILES_CHKSUM = "file://Licenses/README;md5=30503fd321432fc713238f582193b78e"
+
+SRC_URI = "git://git.kontron-electronics.de/linux/u-boot.git;protocol=https;branch=${SRCBRANCH} \
+           file://fw_env.config \
+           file://Remove-redundant-YYLOC-global-declaration.patch"
+SRCREV = "438e0ad034813d38228ace8f1d311459933d1125"
+SRCBRANCH = "v2020.01-ktn"
+LOCALVERSION = "-ktn"
+
+PROVIDES += "u-boot"
+
+PV .= "+git${SRCPV}"
+
+S = "${WORKDIR}/git"
+B = "${WORKDIR}/build"
+
+# FIXME: Allow linking of 'tools' binaries with native libraries
+#        used for generating the boot logo and other tools used
+#        during the build process.
+EXTRA_OEMAKE += 'HOSTCC="${BUILD_CC} ${BUILD_CPPFLAGS}" \
+                 HOSTLDFLAGS="${BUILD_LDFLAGS}" \
+                 HOSTSTRIP=true'
+
+PACKAGE_ARCH = "${MACHINE_ARCH}"
+COMPATIBLE_MACHINE = "(imx6ul-kontron)"
+