[libwebp] Do not emit AVX when not requested by the toolchain (#21644)

Co-authored-by: Zhao Liu <v-zhli17@microsoft.com>

ports/libwebp/0007-fix-arm-build.patch

@@ -1,13 +1,22 @@
 diff --git a/cmake/cpu.cmake b/cmake/cpu.cmake
-index bc0dbc9..381f64a 100644
+index bc0dbc9..f9b7327 100644
 --- a/cmake/cpu.cmake
 +++ b/cmake/cpu.cmake
+@@ -48,7 +48,7 @@ if(MSVC AND CMAKE_C_COMPILER_ID STREQUAL "MSVC")
+   if(MSVC_VERSION GREATER_EQUAL 1800 AND NOT CMAKE_C_FLAGS MATCHES "/arch:")
+     set(SIMD_ENABLE_FLAGS)
+   else()
+-    set(SIMD_ENABLE_FLAGS "/arch:AVX;/arch:SSE2;;;;")
++    set(SIMD_ENABLE_FLAGS "/arch:SSE2;;;;;")
+   endif()
+   set(SIMD_DISABLE_FLAGS)
+ else()
 @@ -97,7 +97,7 @@ foreach(I_SIMD RANGE ${WEBP_SIMD_FLAGS_RANGE})
      set(CMAKE_REQUIRED_FLAGS ${SIMD_COMPILE_FLAG})
      webp_check_compiler_flag(${WEBP_SIMD_FLAG} ${WEBP_ENABLE_SIMD})
    else()
 -    if(MSVC AND SIMD_ENABLE_FLAGS)
-+    if(MSVC AND SIMD_ENABLE_FLAGS AND NOT (CMAKE_GENERATOR_PLATFORM MATCHES "^ARM"))
++    if(MSVC AND NOT (CMAKE_GENERATOR_PLATFORM MATCHES "^ARM"))
        # The detection for SSE2/SSE4 support under MSVC is based on the compiler
        # version so e.g., clang-cl will require flags to enable the assembly.
        list(GET SIMD_ENABLE_FLAGS ${I_SIMD} SIMD_COMPILE_FLAG)

ports/libwebp/vcpkg.json

@@ -1,6 +1,7 @@
 {
   "name": "libwebp",
   "version": "1.3.0",
+  "port-version": 1,
   "description": "WebP codec: library to encode and decode images in WebP format",
   "homepage": "https://github.com/webmproject/libwebp",
   "license": "BSD-3-Clause",

versions/baseline.json

@@ -4770,7 +4770,7 @@
     },
     "libwebp": {
       "baseline": "1.3.0",
-      "port-version": 0
+      "port-version": 1
     },
     "libwebsockets": {
       "baseline": "4.3.2",

versions/l-/libwebp.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "519daa6213a5995a860ed724c465adf9ff83b52a",
+      "version": "1.3.0",
+      "port-version": 1
+    },
     {
       "git-tree": "d11b6a22e2acdba95c761dd4045cd8d66095f42d",
       "version": "1.3.0",