atsam3u -  Remove SWD clock speed customization
Remove the atsam3u clock speed customization. With sequential code
optimization turned on each instruction takes the same number of clock
cycles as that of a a normal cortex-m4 device.
// Clock Macros
-#if defined(INTERFACE_SAM3U2C)
- #define MAX_SWJ_CLOCK(delay_cycles) \
- (CPU_CLOCK / ((delay_cycles + IO_PORT_WRITE_CYCLES) * 20/*14*/))
- #define CLOCK_DELAY(swj_clock) \
- ((CPU_CLOCK / (swj_clock * /*20*/14)) - IO_PORT_WRITE_CYCLES)
-#else
#define MAX_SWJ_CLOCK(delay_cycles) \
(CPU_CLOCK/2 / (IO_PORT_WRITE_CYCLES + delay_cycles))
+
#define CLOCK_DELAY(swj_clock) \
((CPU_CLOCK/2 / swj_clock) - IO_PORT_WRITE_CYCLES)
-#endif
DAP_Data_t DAP_Data; // DAP Data
