Removed FAGC and added NB2

Removed FAGC from the function list as erroneous for this model. Added RIG_FUNC_NB2 to the function list to complement RIG_FUNC_NB.

(cherry picked from commit 472154a131)

rigs/jrc/nrd535.c

@@ -28,7 +28,7 @@
 
 #define NRD535_MODES (RIG_MODE_AM|RIG_MODE_CW|RIG_MODE_SSB|RIG_MODE_FM|RIG_MODE_RTTY|RIG_MODE_ECSS|RIG_MODE_FAX)    /* + FAX */
 
-#define NRD535_FUNC (RIG_FUNC_FAGC|RIG_FUNC_NB)
+#define NRD535_FUNC (RIG_FUNC_NB|RIG_FUNC_NB2)
 
 #define NRD535_LEVEL (RIG_LEVEL_RAWSTR|RIG_LEVEL_STRENGTH|RIG_LEVEL_ATT|RIG_LEVEL_IF|RIG_LEVEL_AGC|RIG_LEVEL_CWPITCH) /*RIG_LEVEL_BWC*/
 
@@ -69,7 +69,6 @@
     .freq = 1,  \
     .mode = 1,  \
     .width = 1, \
-    .funcs = RIG_FUNC_FAGC, \
     .levels = RIG_LEVEL_ATT|RIG_LEVEL_AGC, \
 }
 
@@ -211,4 +210,3 @@ struct rig_caps nrd535_caps =
  * Function definitions below
  */
 
-