insane: Clarify GNU_HASH warning

We have a fatal error if ELF objects don't have GNU_HASH segments but it
doesn't explain what the problem is.  At least give a hint to users by
suggesting that LDFLAGS wasn't passed to the compiler.

(From OE-Core rev: 5d4da6713b40e10e853eb746f700096307ffe158)

(From OE-Core rev: a0ac85826aeee633e01d00d7a1f188724a2937f0)

Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes/insane.bbclass

@@ -383,7 +383,7 @@ def package_qa_hash_style(path, name, d, elf, messages):
             sane = True
 
     if has_syms and not sane:
-        package_qa_add_message(messages, "ldflags", "No GNU_HASH in the elf binary: '%s'" % path)
+        package_qa_add_message(messages, "ldflags", "No GNU_HASH in the ELF binary %s, didn't pass LDFLAGS?" % path)
 
 
 QAPATHTEST[buildpaths] = "package_qa_check_buildpaths"