Feather DVI peripheral fix (earlephilhower#1301)

* make the main SPI SPI (even tho its on SPI1)

* fix Wire to default pins

Author: ladyada

variants/adafruit_feather_dvi/pins_arduino.h

@@ -9,6 +9,9 @@
 // NeoPixel
 #define PIN_NEOPIXEL   (4u)
 
+// 'Boot0' button also on GPIO #7
+#define PIN_BUTTON     (7u)
+
 // Serial
 #define PIN_SERIAL1_TX (0u)
 #define PIN_SERIAL1_RX (1u)
@@ -22,18 +25,23 @@
 #define PIN_SPI0_MOSI  (15u)
 #define PIN_SPI0_SCK   (14u)
 #define PIN_SPI0_SS    (13u)
+#define __SPI0_DEVICE  spi1
 
 // Not pinned out
 #define PIN_SPI1_MISO  (31u)
 #define PIN_SPI1_MOSI  (31u)
 #define PIN_SPI1_SCK   (31u)
 #define PIN_SPI1_SS    (31u)
+#define __SPI1_DEVICE  spi0
 
 // Wire
 #define PIN_WIRE0_SDA  (2u)
 #define PIN_WIRE0_SCL  (3u)
+#define __WIRE0_DEVICE i2c1
+
 #define PIN_WIRE1_SDA  (31u)
 #define PIN_WIRE1_SCL  (31u)
+#define __WIRE1_DEVICE i2c0
 
 #define SERIAL_HOWMANY (2u)
 #define SPI_HOWMANY    (1u)