Update sys.h from chopstx

ChangeLog

@@ -7,6 +7,9 @@
 
 2015-09-09  Niibe Yutaka  <gniibe@fsij.org>
 
+	* src/sys.h: Update from Chopstx.
+	* src/adc_stm32f103.c: Update from NeuG.
+
 	* src/openpgp.c (process_command_apdu): Protect command execution
 	against cancelling the execution thread.
 	(cmd_pso, cmd_internal_authenticate): Allow cancellation.

src/sys.h

@@ -9,6 +9,7 @@
 #define BOARD_ID_STM8S_DISCOVERY   0x2f0976bb
 #define BOARD_ID_ST_DONGLE         0x2cd4e471
 #define BOARD_ID_ST_NUCLEO_F103    0x9b87c16d
+#define BOARD_ID_NITROKEY_START    0xad1e7ebd
 
 extern const uint8_t sys_version[8];
 extern const uint32_t sys_board_id;