build-openmp: Build openmp for arm64ec too

build-openmp.sh

@@ -70,10 +70,6 @@ for arch in $ARCHS; do
     x86_64)
         CMAKEFLAGS="$CMAKEFLAGS -DLIBOMP_ASMFLAGS=-m64"
         ;;
-    arm64ec)
-        # Not yet supported
-        continue
-        ;;
     esac
 
     [ -z "$CLEAN" ] || rm -rf build-openmp-$arch