correct DFU_DEV_REV for 833 to 52833 (previously 52840)

Author: hathach

Makefile

@@ -112,7 +112,7 @@ ifeq ($(MCU_SUB_VARIANT),nrf52)
   CFLAGS += -DDFU_APP_DATA_RESERVED=7*4096
 else ifeq ($(MCU_SUB_VARIANT),nrf52833)
   SD_NAME = s140
-  DFU_DEV_REV = 52840
+  DFU_DEV_REV = 52833
   CFLAGS += -DNRF52833_XXAA -DS140
   CFLAGS += -DDFU_APP_DATA_RESERVED=7*4096
 else ifeq ($(MCU_SUB_VARIANT),nrf52840)

src/dfu_init.c

@@ -83,8 +83,10 @@
  */
 #define ADAFRUIT_DEVICE_TYPE         0x0052
 
-#if defined(NRF52840_XXAA) || defined(NRF52833_XXAA)
+#if defined(NRF52840_XXAA)
   #define ADAFRUIT_DEV_REV           52840
+#elif defined(NRF52833_XXAA)
+  #define ADAFRUIT_DEV_REV           52833
 #elif defined NRF52832_XXAA
   #define ADAFRUIT_DEV_REV           0xADAF
 #else