USB: usbtmc: Bump USBTMC_API_VERSION value

The previous patches in this series have changed the behaviour of the
driver and added new calls.

Tested-by: Jian-Wei Wu <[email protected]>
Reviewed-by: Guido Kiener <[email protected]>
Signed-off-by: Dave Penkler <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: dpenkler

drivers/usb/class/usbtmc.c

@@ -25,7 +25,7 @@
 /* Increment API VERSION when changing tmc.h with new flags or ioctls
  * or when changing a significant behavior of the driver.
  */
-#define USBTMC_API_VERSION (2)
+#define USBTMC_API_VERSION (3)
 
 #define USBTMC_HEADER_SIZE	12
 #define USBTMC_MINOR_BASE	176