FiFi-SDR backend: add more filter options

Patch from Rolf Meeser <rolfm_9dq@yahoo.de>

git-svn-id: https://hamlib.svn.sourceforge.net/svnroot/hamlib/trunk@3039 7ae35d74-ebe9-4afe-98af-79ac388436b8

kit/fifisdr.c

@@ -179,8 +179,11 @@ const struct rig_caps fifisdr_caps = {
 	/* mode/filter list, remember: order matters! */
 	.filters = {
 		{RIG_MODE_SSB, kHz(2.7)},
+		{RIG_MODE_SSB, kHz(3.3)},
+		{RIG_MODE_SSB, kHz(1.8)},
 		{RIG_MODE_AM,  kHz(6.0)},
 		{RIG_MODE_FM,  kHz(12.5)},
+		{RIG_MODE_FM,  kHz(9.0)},
 		RIG_FLT_END,
 	},