Arm targets didn't work of vvenc, so disable SIMD

Enabled ARM SIMD only for WinArm64 & LinuxArm64 didn't successfully compiled vvenc with ARM simde enabled only, so I had to disable both SIMD for arm targets unless it's fixed.

- Martin Eesmaa

scripts.d/50-vvenc.sh

@@ -12,7 +12,7 @@ ffbuild_dockerbuild() {
 
     local armsimd=()
     if [[ $TARGET == *arm* ]]; then
-        armsimd+=( -DVVENC_ENABLE_ARM_SIMD=ON -DVVENC_ENABLE_X86_SIMD=OFF )
+        armsimd+=( -DVVENC_ENABLE_ARM_SIMD=OFF -DVVENC_ENABLE_X86_SIMD=OFF )
 
         if [[ "$CC" != *clang* ]]; then
             export CFLAGS="$CFLAGS -fpermissive -Wno-error=uninitialized -Wno-error=maybe-uninitialized"