[Add devtools regs and mii_mgr]

[Description]
Add devtools regs and mii_mgr
1. regs tool for debug
2. mii_mgr tool for detecting wan link up when external 2.5G phy in force mode

[Release-log]

diff --git a/recipes-devtools/mii-mgr/mii-mgr_1.0.bb b/recipes-devtools/mii-mgr/mii-mgr_1.0.bb
new file mode 100644
index 0000000..9a16340
--- /dev/null
+++ b/recipes-devtools/mii-mgr/mii-mgr_1.0.bb
@@ -0,0 +1,22 @@
+SUMMARY = "An program to read/write from/to phy from userspace"
+SECTION = "applications"
+LICENSE = "GPLv2"
+LIC_FILES_CHKSUM = "file://COPYING;md5=c188eeeb69c0a05d0545816f1458a0c9"
+
+S = "${WORKDIR}"
+
+SRC_URI = " \
+    file://COPYING \
+    file://mii_mgr.c \
+    file://mii_mgr.h \
+    "
+
+do_compile() {
+    ${CC} ${LDFLAGS} mii_mgr.c -o mii_mgr
+}
+
+do_install() {
+    install -d ${D}${sbindir}
+    install -m 0755 ${WORKDIR}/mii_mgr ${D}${sbindir}
+    install -m 0755 ${WORKDIR}/mii_mgr ${D}${sbindir}/mii_mgr_cl45
+}