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/samd/machine_i2c.c

@@ -31,7 +31,6 @@
 
 #include "py/mphal.h"
 #include "py/mperrno.h"
-#include "extmod/machine_i2c.h"
 #include "extmod/modmachine.h"
 #include "samd_soc.h"
 #include "pin_af.h"

ports/samd/machine_spi.c

@@ -30,7 +30,6 @@
 #if MICROPY_PY_MACHINE_SPI
 
 #include "py/mphal.h"
-#include "extmod/machine_spi.h"
 #include "extmod/modmachine.h"
 #include "samd_soc.h"
 #include "pin_af.h"

ports/samd/modmachine.c

@@ -25,9 +25,6 @@
  */
 
 #include "py/runtime.h"
-#include "extmod/machine_mem.h"
-#include "extmod/machine_i2c.h"
-#include "extmod/machine_spi.h"
 #include "extmod/modmachine.h"
 #include "drivers/dht/dht.h"
 #include "shared/runtime/pyexec.h"

ports/samd/samd_qspiflash.c

@@ -35,7 +35,7 @@
 #include "py/mphal.h"
 #include "py/mperrno.h"
 #include "modmachine.h"
-#include "extmod/machine_spi.h"
+#include "extmod/modmachine.h"
 #include "extmod/vfs.h"
 #include "pin_af.h"
 #include "clock_config.h"

ports/samd/samd_spiflash.c

@@ -30,7 +30,6 @@
 #include "py/obj.h"
 #include "py/runtime.h"
 #include "py/mphal.h"
-#include "extmod/machine_spi.h"
 #include "extmod/modmachine.h"
 #include "extmod/vfs.h"
 #include "pin_af.h"