Adds keywords for the general purpose pins in the Micromod specification, and adds define's for G0-G11 to be used in the Arduino IDE

Author: edspark

Diff for: sparkfun/samd/keywords.txt

@@ -0,0 +1,21 @@
+#######################################
+# Syntax Coloring Map For SAMD51
+#######################################
+
+#######################################
+# Constants (LITERAL1)
+#######################################
+
+G0	LITERAL1
+G1	LITERAL1
+G2	LITERAL1
+G3	LITERAL1
+G4	LITERAL1
+G5	LITERAL1
+G6	LITERAL1
+G7	LITERAL1
+G8	LITERAL1
+G9	LITERAL1
+G11	LITERAL1
+
+

Diff for: sparkfun/samd/variants/SparkFun_SAMD51_MicroMod/variant.h

@@ -80,6 +80,19 @@ extern "C"
  */
 // #define digitalPinToTimer(P)
 
+// General Purpose Pins
+#define G0  2
+#define G1  3
+#define G2  4
+#define G3  5
+#define G4  6
+#define G5  7
+#define G6  8
+#define G7  9
+#define G8  19
+#define G9  11
+#define G11 29
+
 // LEDs
 //-------------------------------------------
 #define PIN_LED_13           (13u)