packagegroup-rpi-test: Fix COPYING md5sum

Signed-off-by: Andrei Gherzan <andrei@gherzan.ro>

recipes-core/packagegroups/packagegroup-rpi-test.bb

@@ -1,6 +1,6 @@
 DESCRIPTION = "RaspberryPi Test Packagegroup"
 LICENSE = "MIT"
-LIC_FILES_CHKSUM = "file://${COREBASE}/meta/COPYING.MIT;md5=3f40d7994397109285ec7b81fdeb3b58"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
 
 inherit packagegroup