Add WebAssembly SIMD IBILINEAR microkernels for CHW layout

PiperOrigin-RevId: 338792392
diff --git a/scripts/generate-f32-ibilinear-chw.sh b/scripts/generate-f32-ibilinear-chw.sh
index 1591304..845a71c 100755
--- a/scripts/generate-f32-ibilinear-chw.sh
+++ b/scripts/generate-f32-ibilinear-chw.sh
@@ -5,9 +5,13 @@
 # LICENSE file in the root directory of this source tree.
 
 #################################### Scalar ###################################
-tools/xngen src/f32-ibilinear-chw/scalar.c.in -D CHANNEL_TILE=1 -D PIXEL_TILE=1 -o src/f32-ibilinear-chw/gen/scalar-p1.c
-tools/xngen src/f32-ibilinear-chw/scalar.c.in -D CHANNEL_TILE=1 -D PIXEL_TILE=2 -o src/f32-ibilinear-chw/gen/scalar-p2.c
-tools/xngen src/f32-ibilinear-chw/scalar.c.in -D CHANNEL_TILE=1 -D PIXEL_TILE=4 -o src/f32-ibilinear-chw/gen/scalar-p4.c
+tools/xngen src/f32-ibilinear-chw/scalar.c.in -D PIXEL_TILE=1 -o src/f32-ibilinear-chw/gen/scalar-p1.c
+tools/xngen src/f32-ibilinear-chw/scalar.c.in -D PIXEL_TILE=2 -o src/f32-ibilinear-chw/gen/scalar-p2.c
+tools/xngen src/f32-ibilinear-chw/scalar.c.in -D PIXEL_TILE=4 -o src/f32-ibilinear-chw/gen/scalar-p4.c
+
+############################### WebAssembly SIMD ##############################
+tools/xngen src/f32-ibilinear-chw/wasmsimd.c.in -D PIXEL_TILE=4 -o src/f32-ibilinear-chw/gen/wasmsimd-p4.c
+tools/xngen src/f32-ibilinear-chw/wasmsimd.c.in -D PIXEL_TILE=8 -o src/f32-ibilinear-chw/gen/wasmsimd-p8.c
 
 ################################## Unit tests #################################
 tools/generate-ibilinear-chw-test.py --spec test/f32-ibilinear-chw.yaml --output test/f32-ibilinear-chw.cc