WHD: remove v from WHD_VERSION define

Author: pennam

connectivity/drivers/wifi/COMPONENT_WHD/wifi-host-driver/inc/whd_version.h

@@ -15,6 +15,7 @@
  * limitations under the License.
  */
 
-#define WHD_VERSION "v1.94.0"
+/* This define is used by arduino::WiFiClass::firmwareVersion() do not prepend v */
+#define WHD_VERSION "1.94.0"
 #define WHD_BRANCH "v1.94.0"
 #define WHD_DATE "2021-04-27 16:54:34 +0800"