LGOGDownloader: use generic libatomic checks

srcpkgs/LGOGDownloader/template

@@ -18,12 +18,12 @@ if [ -z "$CROSS_BUILD" ]; then
 	hostmakedepends+=" help2man"
 fi
 
-case "$XBPS_TARGET_MACHINE" in
-	armv6*|ppc|ppc-musl)	makedepends+=" libatomic-devel"	# Need libatomic for __atomic_fetch_add_8 etc.
-esac
+if [ "$XBPS_TARGET_NO_ATOMIC8" ]; then
+	makedepends+=" libatomic-devel"
+fi
 
 pre_configure() {
-	case "$XBPS_TARGET_MACHINE" in
-		armv6*|ppc|ppc-musl) sed -i 's/PRIVATE ${ZLIB_LIBRARIES}/\0\n  atomic/' CMakeLists.txt
-	esac
+	if [ "$XBPS_TARGET_NO_ATOMIC8" ]; then
+		sed -i 's/PRIVATE ${ZLIB_LIBRARIES}/\0\n  atomic/' CMakeLists.txt
+	fi
 }