renesas-ra: Consolidate MICROPY_PY_MACHINE_I2C option.

MICROPY_HW_ENABLE_HW_I2C and MICROPY_PY_MACHINE_I2C are equivalent, so
just use the latter.
Signed-off-by: Damien George <damien@micropython.org>

ports/renesas-ra/machine_i2c.c

@@ -35,7 +35,7 @@
 
 #include "ra_i2c.h"
 
-#if MICROPY_HW_ENABLE_HW_I2C
+#if MICROPY_PY_MACHINE_I2C
 
 #define DEFAULT_I2C_FREQ (400000)
 #define DEFAULT_I2C_TIMEOUT (1000)
@@ -165,4 +165,4 @@ MP_DEFINE_CONST_OBJ_TYPE(
     protocol, &machine_i2c_p
     );
 
-#endif // MICROPY_HW_ENABLE_HW_I2C
+#endif // MICROPY_PY_MACHINE_I2C

ports/renesas-ra/mpconfigboard_common.h

@@ -256,9 +256,9 @@
 // Enable hardware I2C if there are any peripherals defined
 #if defined(MICROPY_HW_I2C0_SCL) || defined(MICROPY_HW_I2C1_SCL) \
     || defined(MICROPY_HW_I2C2_SCL)
-#define MICROPY_HW_ENABLE_HW_I2C (1)
+#define MICROPY_PY_MACHINE_I2C (1)
 #else
-#define MICROPY_HW_ENABLE_HW_I2C (0)
+#define MICROPY_PY_MACHINE_I2C (0)
 #endif
 
 #if defined(MICROPY_HW_PWM_0A) || defined(MICROPY_HW_PWM_0B) \

ports/renesas-ra/mpconfigport.h

@@ -138,7 +138,6 @@
 #endif
 #define MICROPY_PY_MACHINE_PULSE    (1)
 #define MICROPY_PY_MACHINE_PIN_MAKE_NEW mp_pin_make_new
-#define MICROPY_PY_MACHINE_I2C      (1)
 #define MICROPY_PY_MACHINE_SOFTI2C  (1)
 #define MICROPY_PY_MACHINE_SPI      (1)
 #define MICROPY_PY_MACHINE_SPI_MSB  (SPI_FIRSTBIT_MSB)