extmod/modmachine: Consolidate mem, i2c and spi headers to modmachine.h.

The contents of machine_mem.h, machine_i2c.h and machine_spi.h have been
moved into extmod/modmachine.h.

Signed-off-by: Damien George <damien@micropython.org>

ports/nrf/modules/machine/i2c.c

@@ -34,7 +34,6 @@
 
 #if MICROPY_PY_MACHINE_I2C
 
-#include "extmod/machine_i2c.h"
 #include "extmod/modmachine.h"
 #include "i2c.h"
 #if NRFX_TWI_ENABLED

ports/nrf/modules/machine/i2c.h

@@ -27,7 +27,7 @@
 #ifndef I2C_H__
 #define I2C_H__
 
-#include "extmod/machine_i2c.h"
+#include "extmod/modmachine.h"
 
 void i2c_init0(void);
 

ports/nrf/modules/machine/modmachine.c

@@ -30,8 +30,6 @@
 #include "py/gc.h"
 #include "py/runtime.h"
 #include "py/mphal.h"
-#include "extmod/machine_mem.h"
-#include "extmod/machine_i2c.h"
 #include "extmod/modmachine.h"
 #include "shared/runtime/pyexec.h"
 #include "lib/oofatfs/ff.h"

ports/nrf/modules/machine/spi.c

@@ -35,7 +35,6 @@
 
 #include "py/nlr.h"
 #include "py/mphal.h"
-#include "extmod/machine_spi.h"
 #include "extmod/modmachine.h"
 #include "pin.h"
 #include "genhdr/pins.h"