libwebkit2gtk41: re-add patch to not require SSE2 on x86

srcpkgs/libwebkit2gtk41/patches/x86-no-sse2.patch

@@ -0,0 +1,29 @@
+--- a/Source/cmake/WebKitCompilerFlags.cmake
++++ b/Source/cmake/WebKitCompilerFlags.cmake
+@@ -162,15 +162,6 @@ if (COMPILER_IS_GCC_OR_CLANG)
+         WEBKIT_PREPEND_GLOBAL_COMPILER_FLAGS(-Wno-expansion-to-defined)
+     endif ()
+ 
+-    # Force SSE2 fp on x86 builds.
+-    if (WTF_CPU_X86 AND NOT CMAKE_CROSSCOMPILING)
+-        WEBKIT_PREPEND_GLOBAL_COMPILER_FLAGS(-msse2 -mfpmath=sse)
+-        include(DetectSSE2)
+-        if (NOT SSE2_SUPPORT_FOUND)
+-            message(FATAL_ERROR "SSE2 support is required to compile WebKit")
+-        endif ()
+-    endif ()
+-
+     # Makes builds faster. The GCC manual warns about the possibility that the assembler being
+     # used may not support input from a pipe, but in practice the toolchains we support all do.
+     WEBKIT_PREPEND_GLOBAL_COMPILER_FLAGS(-pipe)
+--- a/Source/ThirdParty/ANGLE/src/image_util/loadimage.cpp
++++ b/Source/ThirdParty/ANGLE/src/image_util/loadimage.cpp
+@@ -16,7 +16,7 @@
+ #    if defined(_MSC_VER)
+ #        include <intrin.h>
+ #        define ANGLE_LOADIMAGE_USE_SSE
+-#    elif defined(__GNUC__) && (defined(__x86_64__) || defined(__i386__))
++#    elif defined(__GNUC__) && defined(__x86_64__)
+ #        include <x86intrin.h>
+ #        if __SSE__
+ #            define ANGLE_LOADIMAGE_USE_SSE