LPC55S69: Update the target name

This is to handle both secure and non-secure targets inside mbed-os

Signed-off-by: Mahesh Mahadevan <[email protected]>

Author: mmahadevan108

src/mbed_os_tools/detect/platform_database.py

@@ -63,7 +63,7 @@
         u"0230": u"K20D50M",
         u"0231": u"K22F",
         u"0234": u"RAPIDIOT_KW41Z",
-        u"0236": u"LPC55S69",
+        u"0236": u"LPC55S69_NS",
         u"0240": u"K64F",
         u"0245": u"K64F",
         u"0250": u"KW24D",