report-error: provide distro identifier string in case of uninative build

Besides providing the NATIVELSBSTRING, include distro info when creating
the (json) error report. This information provides better info than the
standard 'universal*' string for uninative builds.

[YOCTO #11824]

(From OE-Core rev: fdfbfc954a3e0ad79dc2bed9828f9f5dc40d506f)

Signed-off-by: Leonardo Sandoval <leonardo.sandoval.gonzalez@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes/report-error.bbclass

@@ -29,6 +29,13 @@ python errorreport_handler () {
         import json
         import codecs
 
+        def nativelsb():
+            nativelsbstr = e.data.getVar("NATIVELSBSTRING")
+            # provide a bit more host info in case of uninative build
+            if e.data.getVar('UNINATIVE_URL') != 'unset':
+                return '/'.join([nativelsbstr, lsb_distro_identifier(e.data)])
+            return nativelsbstr
+
         logpath = e.data.getVar('ERR_REPORT_DIR')
         datafile = os.path.join(logpath, "error-report.txt")
 
@@ -38,7 +45,7 @@ python errorreport_handler () {
             machine = e.data.getVar("MACHINE")
             data['machine'] = machine
             data['build_sys'] = e.data.getVar("BUILD_SYS")
-            data['nativelsb'] = e.data.getVar("NATIVELSBSTRING")
+            data['nativelsb'] = nativelsb()
             data['distro'] = e.data.getVar("DISTRO")
             data['target_sys'] = e.data.getVar("TARGET_SYS")
             data['failures'] = []