add additonal F_TIMER (FTM_MOD)

...were missing :)

teensy3/pins_teensy.c

@@ -481,7 +481,28 @@ extern void usb_init(void);
 
 #endif
 
-#if F_TIMER == 60000000
+#if F_TIMER == 120000000
+#define DEFAULT_FTM_MOD (61440 - 1)
+#define DEFAULT_FTM_PRESCALE 2
+#elif F_TIMER == 108000000
+#define DEFAULT_FTM_MOD (55296 - 1)
+#define DEFAULT_FTM_PRESCALE 2
+#elif F_TIMER == 96000000
+#define DEFAULT_FTM_MOD (49152 - 1)
+#define DEFAULT_FTM_PRESCALE 2
+#elif F_TIMER == 90000000
+#define DEFAULT_FTM_MOD (46080 - 1)
+#define DEFAULT_FTM_PRESCALE 2
+#elif F_TIMER == 80000000
+#define DEFAULT_FTM_MOD (40960 - 1)
+#define DEFAULT_FTM_PRESCALE 2
+#elif F_TIMER == 72000000
+#define DEFAULT_FTM_MOD (36864 - 1)
+#define DEFAULT_FTM_PRESCALE 2
+#elif F_TIMER == 64000000
+#define DEFAULT_FTM_MOD (65536 - 1)
+#define DEFAULT_FTM_PRESCALE 1
+#elif F_TIMER == 60000000
 #define DEFAULT_FTM_MOD (61440 - 1)
 #define DEFAULT_FTM_PRESCALE 1
 #elif F_TIMER == 56000000