Add platform nrf52

keys/private.key

@@ -0,0 +1,5 @@
+-----BEGIN EC PRIVATE KEY-----
+MHcCAQEEIBUF6jhwRdnSh5iTLMSY2mPOvL52av2OLFpWwM5rRWdNoAoGCCqGSM49
+AwEHoUQDQgAEIEvRCGx7wLpz5zRcxyw3VaDDucLFQyhW9EgV6jxDROFuw+pDfhVg
+7BUeI6Ng0CqBxAaJbIlAImXkm/dVCUpfWA==
+-----END EC PRIVATE KEY-----

keys/public_key.c

@@ -0,0 +1,12 @@
+
+/* This file was automatically generated by nrfutil on 2020-03-02 (YY-MM-DD) at 21:49:55 */
+
+#include "stdint.h"
+#include "compiler_abstraction.h"
+
+/** @brief Public key used to verify DFU images */
+__ALIGN(4) const uint8_t pk[64] =
+{
+    0xe1, 0x44, 0x43, 0x3c, 0xea, 0x15, 0x48, 0xf4, 0x56, 0x28, 0x43, 0xc5, 0xc2, 0xb9, 0xc3, 0xa0, 0x55, 0x37, 0x2c, 0xc7, 0x5c, 0x34, 0xe7, 0x73, 0xba, 0xc0, 0x7b, 0x6c, 0x08, 0xd1, 0x4b, 0x20,
+    0x58, 0x5f, 0x4a, 0x09, 0x55, 0xf7, 0x9b, 0xe4, 0x65, 0x22, 0x40, 0x89, 0x6c, 0x89, 0x06, 0xc4, 0x81, 0x2a, 0xd0, 0x60, 0xa3, 0x23, 0x1e, 0x15, 0xec, 0x60, 0x15, 0x7e, 0x43, 0xea, 0xc3, 0x6e
+};