elfutils: added separately kept patches from upstream

Note:

Yet another RH mysteria why those patches are kept separately and are
not included officially.

develop/elfutils/elfutils.conf

@@ -15,3 +15,8 @@
 # prefix the installed binaries to not conflict with the binaries installed
 # by binutils (thank you RedHat)
 var_append extraconfopt ' ' "--program-prefix=eu-"
+
+# apply the patches defined in the elfutils.desc
+for x in $(match_source_file -p patch); do
+	var_append patchfiles ' ' "$x"
+done

develop/elfutils/elfutils.desc

@@ -38,3 +38,5 @@
 [P] X -----5---9 800.000
 
 [D] 3672041578 elfutils-0.153.tar.bz2 https://fedorahosted.org/releases/e/l/elfutils/0.153/
+[D] 4125756208 elfutils-portability.patch https://fedorahosted.org/releases/e/l/elfutils/0.153/
+[D] 2315075130 elfutils-robustify.patch https://fedorahosted.org/releases/e/l/elfutils/0.153/