re-structure the directory layout to reflect that that ft232r stuff is old

we have long only been working on the sam7 based system.

ft232r/soft_uart.h

@@ -1,35 +0,0 @@
-#ifndef _SOFT_UART_H
-#define _SOFT_UART_H
-
-enum suart_state {
-	WAIT_RESET,
-	IN_RESET,
-	WAIT_START_FALLEDGE,
-	WAIT_START_ETU07,
-	RX_BITS,
-	POST_RX_WAIT_HIGH,
-};
-
-enum suart_convention {
-	DIRECT_CONVENTION,
-	INVERSE_CONVENTION,
-};
-
-struct suart_data {
-	uint32_t samplerate;	/* samples per second input rate */
-	uint32_t recip_etu;	/* 1/etu */
-	uint8_t num_bits;
-
-	enum suart_state state;
-	enum suart_convention convention;
-
-	uint32_t sample_after_sbit;
-	uint8_t bits_pending;
-
-	uint8_t rx_char;
-};
-
-int suart_process_sample_bit(struct suart_data *suart, uint8_t clk_bit, uint8_t rst_bit, uint8_t sample_bit);
-void suart_init(struct suart_data *su);
-
-#endif