llvm22: enable -musl cross builds

Author: Duncaen

srcpkgs/llvm22/template

@@ -65,7 +65,10 @@ conflicts="llvm18>=0 llvm17>=0 llvm15>=0"
 lib32disabled=yes
 python_version=3
 
-nocross="let the native builders build first"
+case "$XBPS_TARGET_MACHINE" in
+	*-musl) ;;
+	*) nocross="let the native builders build first" ;;
+esac
 
 if [ "$CROSS_BUILD" ]; then
 	hostmakedepends+=" llvm${_major}-cross-tools SPIRV-LLVM-Translator${_major} clang${_major} lld${_major}"