Merge pull request #14083 from MaximIntegrated/max32630fthr-add-sleep-feature

Add SLEEP/DEEPSLEEP support for MAX32630FTHR

Author: 0xc0170

targets/targets.json

@@ -5093,7 +5093,8 @@
             "SPI",
             "STDIO_MESSAGES",
             "USTICKER",
-            "MPU"
+            "MPU",
+            "SLEEP"
         ],
         "release_versions": [
             "5"