Merge pull request #76 from brandonmoak/spi_overlays

added exclusive use to spi0 overlay, removed unused pins from spi1 overl...

Author: ladyada

overlays/ADAFRUIT-SPI0-00A0.dts

@@ -10,6 +10,14 @@
     /* version */
     version = "00A0";
 
+    exclusive-use =
+        /* the pin header uses */
+        "P9.17",
+        "P9.18",
+        "P9.21",
+        "P9.22",
+        "spi0";
+
     fragment@0 {
         target = <&am33xx_pinmux>;
         __overlay__ {

overlays/ADAFRUIT-SPI1-00A0.dts

@@ -18,8 +18,6 @@
         "P9.29",
         "P9.30",
         "P9.28",
-        "P9.13",
-        "P9.12", 
         "spi1";
 
     fragment@0 {