Change RIG_PASSBAND_NORMAL to -2 to avoid colliding with Yaesu 0 bandwidth

https://github.com/Hamlib/Hamlib/issues/396

(cherry picked from commit b7f73a3b46)

include/hamlib/rig.h

@@ -490,7 +490,7 @@ typedef unsigned int vfo_t;
  * \brief Macro for bandpass to be set to normal
  * \def RIG_PASSBAND_NORMAL
  */
-#define RIG_PASSBAND_NORMAL     s_Hz(0)
+#define RIG_PASSBAND_NORMAL     s_Hz(-2) // was 0 but collided with Yasue SH00; capability
 /**
  * \brief Macro for bandpass to be left alone
  */