NuMaker tickless example

Revision:
23:a2a48e3ef326
Parent:
22:59740ecd1781
--- a/mbed_app.json	Wed Oct 05 10:45:11 2022 +0800
+++ b/mbed_app.json	Wed Oct 05 11:28:51 2022 +0800
@@ -33,6 +33,13 @@
             "target.gpio-irq-debounce-clock-source": "GPIO_DBCTL_DBCLKSRC_LIRC",
             "target.gpio-irq-debounce-sample-rate": "GPIO_DBCTL_DBCLKSEL_16"
         },
+        "NUMAKER_IOT_M467": {
+            "target.macros_add": ["MBED_TICKLESS"],
+            "target.tickless-from-us-ticker": false,
+            "target.gpio-irq-debounce-enable-list": "BUTTON1, BUTTON2",
+            "target.gpio-irq-debounce-clock-source": "GPIO_DBCTL_DBCLKSRC_LIRC",
+            "target.gpio-irq-debounce-sample-rate": "GPIO_DBCTL_DBCLKSEL_16"
+        },
         "NUMAKER_IOT_M487": {
             "target.macros_add": ["MBED_TICKLESS"],
             "target.tickless-from-us-ticker": false,