Fix busybox config file location

target/device/x86/i686/i686_defconfig

@@ -280,7 +280,7 @@ BR2_BUSYBOX_VERSION_1_13_X=y
 # BR2_PACKAGE_BUSYBOX_SNAPSHOT is not set
 BR2_BUSYBOX_VERSION="1.13.2"
 BR2_PACKAGE_BUSYBOX_FULLINSTALL=y
-BR2_PACKAGE_BUSYBOX_CONFIG="package/busybox/busybox-1.6.0.config"
+BR2_PACKAGE_BUSYBOX_CONFIG="package/busybox/busybox-1.13.x.config"
 BR2_PACKAGE_BUSYBOX_HIDE_OTHERS=y
 # BR2_PACKAGE_BUSYBOX_SKELETON is not set