recipes: Update LICENSE variable to use SPDX license identifiers

Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-perl/recipes-extended/logcheck/logcheck_1.3.23.bb

@@ -8,7 +8,7 @@ Normal entries are entries which match one of the many included regular \
 expression files contain in the database."
 SECTION = "Applications/System"
 HOMEPAGE = "http://logcheck.org/"
-LICENSE = "GPLv2"
+LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=c93c0550bd3173f4504b2cbd8991e50b"
 
 SRC_URI = "${DEBIAN_MIRROR}/main/l/${BPN}/${BPN}_${PV}.tar.xz \

meta-perl/recipes-extended/mime-construct/mime-construct_1.11.bb

@@ -5,7 +5,7 @@ DESCRIPTION = "Constructs and (by default) mails MIME messages. \
                like programs."
 HOMEPAGE = "http://search.cpan.org/~rosch/mime-construct/mime-construct"
 SECTION = "mail"
-LICENSE = "GPLv2+"
+LICENSE = "GPL-2.0-or-later"
 LIC_FILES_CHKSUM = "file://debian/copyright;md5=5e2e5da619ac8ef8c84767ccc4656e96"
 
 SRC_URI = "${CPAN_MIRROR}/authors/id/R/RO/ROSCH/mime-construct-${PV}.tar.gz \