KIRKSTONE: license compatibility

Signed-off-by: Christophe Priouzeau <christophe.priouzeau@foss.st.com>

recipes-bsp/u-boot/u-boot-stm32mp-common_2020.10.inc

@@ -3,7 +3,7 @@
 HOMEPAGE = "http://www.denx.de/wiki/U-Boot/WebHome"
 SECTION = "bootloaders"
 
-LICENSE = "GPLv2+"
+LICENSE = "GPL-2.0-or-later"
 LIC_FILES_CHKSUM = "file://Licenses/README;md5=5a7450c57ffe5ae63fd732446b988025"
 
 DEPENDS += "dtc-native bc-native"

recipes-bsp/u-boot/u-boot-stm32mp_2020.10.bb

@@ -2,7 +2,7 @@ require u-boot-stm32mp-common_${PV}.inc
 require u-boot-stm32mp.inc
 
 SUMMARY = "Universal Boot Loader for embedded devices for stm32mp"
-LICENSE = "GPLv2+"
+LICENSE = "GPL-2.0-or-later"
 
 PROVIDES += "u-boot"
 RPROVIDES:${PN} += "u-boot"