meta-quanta: olympus-nuvoton: add busybox setting

1. Enable devmem and lsusb commands
2. Enable SMP feature

Change-Id: I1fe40d43824e477fbe8c8e52d22dfa7997c471da
Signed-off-by: Joseph Liu <kwliu@nuvoton.com>
diff --git a/meta-olympus-nuvoton/recipes-core/busybox/busybox_%.bbappend b/meta-olympus-nuvoton/recipes-core/busybox/busybox_%.bbappend
new file mode 100644
index 0000000..1e1da25
--- /dev/null
+++ b/meta-olympus-nuvoton/recipes-core/busybox/busybox_%.bbappend
@@ -0,0 +1,2 @@
+FILESEXTRAPATHS_prepend_olympus-nuvoton := "${THISDIR}/${PN}:"
+SRC_URI_append_olympus-nuvoton = " file://busybox.cfg"