board configs: differentiate the USB product strings

include/board_debugprobe_config.h

diff --git a/include/board_debugprobe_config.h b/include/board_debugprobe_config.h
index 120df5b..e5e9157 100644
--- a/include/board_debugprobe_config.h
+++ b/include/board_debugprobe_config.h
@@ -50,4 +50,6 @@
 #define PICOPROBE_UART_RX_LED 7
 #define PICOPROBE_UART_TX_LED 8
 
+#define PROBE_PRODUCT_STRING "Debug Probe (CMSIS-DAP)"
+
 #endif
\ No newline at end of file

include/board_example_config.h

diff --git a/include/board_example_config.h b/include/board_example_config.h
index 6e98951..0e10ad9 100644
--- a/include/board_example_config.h
+++ b/include/board_example_config.h
@@ -77,4 +77,6 @@
 #define PICOPROBE_UART_RX_LED 7
 #define PICOPROBE_UART_TX_LED 8
 
+#define PROBE_PRODUCT_STRING "Example Debug Probe"
+
 #endif

include/board_pico_config.h

diff --git a/include/board_pico_config.h b/include/board_pico_config.h
index 00f325c..d013d4c 100644
--- a/include/board_pico_config.h
+++ b/include/board_pico_config.h
@@ -45,4 +45,6 @@
 
 #define PICOPROBE_USB_CONNECTED_LED 25
 
+#define PROBE_PRODUCT_STRING "Picoprobe (CMSIS-DAP)"
+
 #endif
\ No newline at end of file

src/usb_descriptors.c

diff --git a/src/usb_descriptors.c b/src/usb_descriptors.c
index 9220aa7..ed5fc3c 100644
--- a/src/usb_descriptors.c
+++ b/src/usb_descriptors.c
@@ -133,7 +133,7 @@
 {
   (const char[]) { 0x09, 0x04 }, // 0: is supported language is English (0x0409)
   "Raspberry Pi", // 1: Manufacturer
-  "Debug Probe (CMSIS-DAP)", // 2: Product
+  PROBE_PRODUCT_STRING, // 2: Product
   usb_serial,     // 3: Serial, uses flash unique ID
   "CMSIS-DAP v1 Interface", // 4: Interface descriptor for HID transport
   "CMSIS-DAP v2 Interface", // 5: Interface descriptor for Bulk transport