Add MPU porting guide to docs.json

Amanda Butler · web-flow · commit 9978f60ac25e · 2019-01-11T09:01:17.000-06:00
Add MPU to porting guide.
diff --git a/docs.json b/docs.json
@@ -1445,11 +1445,14 @@
                         "type": "markdown",
                         "url": "https://github.com/ARMmbed/mbed-os-5-docs/blob/development/docs/porting/target/Watchdog.md"
                     },
-
                     {
                         "type": "markdown",
                         "url": "https://github.com/ARMmbed/mbed-os-5-docs/blob/development/docs/porting/target/itm.md"
                     },
+                    {
+                        "type": "markdown",
+                        "url": "https://github.com/ARMmbed/mbed-os-5-docs/blob/development/docs/porting/target/mpu.md"
+                    },
                     {
                         "type": "markdown",
                         "url": "https://github.com/ARMmbed/mbed-os-5-docs/blob/development/docs/porting/target/usb.md"
