keebio/viterbi/rev2/: replaced change PRODUCT_ID (#10167)

* replaced #define PRODUCT_ID 0x1157 with #define PRODUCT_ID 0x2157 

replaced product id to distinguish rev2 from rev1.
bakingpy gave me permission through discord chat.

keyboards/keebio/viterbi/rev2/config.h

@@ -19,7 +19,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 /* USB Device descriptor parameter */
 #define VENDOR_ID       0xCB10
-#define PRODUCT_ID      0x1157
+#define PRODUCT_ID      0x2157
 #define DEVICE_VER      0x0200
 #define MANUFACTURER    Keebio
 #define PRODUCT         The Viterbi Keyboard