Add PSIMD DWCONV CHW 5X5S2P2 kernel.

PiperOrigin-RevId: 316283565
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7a9bfbd..5ae121a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -490,6 +490,7 @@
   src/f32-dwconv-chw/3x3p1-psimd.c
   src/f32-dwconv-chw/3x3s2p1-psimd.c
   src/f32-dwconv-chw/5x5p2-psimd.c
+  src/f32-dwconv-chw/5x5s2p2-psimd.c
   src/f32-dwconv/gen/up4x25-minmax-psimd-acc2.c
   src/f32-dwconv/gen/up4x25-minmax-psimd.c
   src/f32-dwconv/gen/up4x4-minmax-psimd-acc2.c