valgrind: fix build error for armv7l

https://bugs.kde.org/show_bug.cgi?id=454346

pkgs/development/tools/analysis/valgrind/default.nix

@@ -20,6 +20,20 @@ stdenv.mkDerivation rec {
       url = "https://bugsfiles.kde.org/attachment.cgi?id=148912";
       sha256 = "Za+7K93pgnuEUQ+jDItEzWlN0izhbynX2crSOXBBY/I=";
     })
+    # Fix build on armv7l.
+    # https://bugs.kde.org/show_bug.cgi?id=454346
+    (fetchpatch {
+      url = "https://bugsfiles.kde.org/attachment.cgi?id=149172";
+      sha256 = "sha256-4MASLsEK8wcshboR4YOc6mIt7AvAgDPvqIZyHqlvTEs=";
+    })
+    (fetchpatch {
+      url = "https://bugsfiles.kde.org/attachment.cgi?id=149173";
+      sha256 = "sha256-jX9hD4utWRebbXMJYZ5mu9jecvdrNP05E5J+PnKRTyQ=";
+    })
+    (fetchpatch {
+      url = "https://bugsfiles.kde.org/attachment.cgi?id=149174";
+      sha256 = "sha256-f1YIFIhWhXYVw3/UNEWewDak2mvbAd3aGzK4B+wTlys=";
+    })
   ];
 
   outputs = [ "out" "dev" "man" "doc" ];