treewide: fix GPLv2/LGPLv2.1 obsolete-license warnings

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I746b04e1e36abaf2ff3852beb8a04535692442c1
diff --git a/meta-nuvoton/recipes-bsp/images/npcm7xx-bingo-native_git.bb b/meta-nuvoton/recipes-bsp/images/npcm7xx-bingo-native_git.bb
index 37200d5..5ec9420d 100644
--- a/meta-nuvoton/recipes-bsp/images/npcm7xx-bingo-native_git.bb
+++ b/meta-nuvoton/recipes-bsp/images/npcm7xx-bingo-native_git.bb
@@ -3,7 +3,7 @@
 HOMEPAGE = "https://github.com/Nuvoton-Israel/bingo"
 PR = "r1"
 PV = "0.1+git${SRCPV}"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=b234ee4d69f5fce4486a80fdaf4a4263"
 
 SRC_URI += "git://github.com/Nuvoton-Israel/bingo;branch=master;protocol=https"