Move all include files to src/include

- 86Box's own headers go to /86box
- munt's public interface goes to /mt32emu
- all slirp headers go to /slirp (might want to consider using only its public inteface)
- single file headers from other projects go in include root

src/include/86box/hdc_ide_sff8038i.h

@@ -0,0 +1,46 @@
+/*
+ * 86Box	A hypervisor and IBM PC system emulator that specializes in
+ *		running old operating systems and software designed for IBM
+ *		PC systems and compatibles from 1981 through fairly recent
+ *		system designs based on the PCI bus.
+ *
+ *		Emulation of the SFF-8038i IDE Bus Master.
+ *
+ *		Emulation core dispatcher.
+ *
+ *
+ *
+ * Authors:	Sarah Walker, <http://pcem-emulator.co.uk/>
+ *		Miran Grca, <mgrca8@gmail.com>
+ *		Copyright 2008-2020 Sarah Walker.
+ *		Copyright 2016-2020 Miran Grca.
+ */
+
+typedef struct
+{
+    uint8_t	command, status,
+		ptr0, enabled;
+    uint16_t	base, pad;
+    uint32_t	ptr, ptr_cur,
+		addr;
+    int		count, eot,
+		slot,
+		irq_mode, irq_pin;
+} sff8038i_t;
+
+
+extern const device_t sff8038i_device;
+
+extern void	sff_bus_master_handler(sff8038i_t *dev, int enabled, uint16_t base);
+
+extern int	sff_bus_master_dma_read(int channel, uint8_t *data, int transfer_length, void *priv);
+extern int	sff_bus_master_dma_write(int channel, uint8_t *data, int transfer_length, void *priv);
+
+extern void	sff_bus_master_set_irq(int channel, void *priv);
+
+extern void	sff_bus_master_reset(sff8038i_t *dev, uint16_t old_base);
+
+extern void	sff_set_slot(sff8038i_t *dev, int slot);
+
+extern void	sff_set_irq_mode(sff8038i_t *dev, int irq_mode);
+extern void	sff_set_irq_pin(sff8038i_t *dev, int irq_pin);