fix: 修复Air001开发板PinName与宏不对应的问题

Author: HalfSweet

variants/AIR001/AirM2M_Air001_Board/variant_generic.cpp

@@ -47,10 +47,10 @@ const PinName digitalPin[] = {
   PB_13,  // D29
   PB_14,  // D30
   PB_15,  // D31
-  PF_0,   // D35
-  PF_1,   // D36
-  PF_6,   // D37
-  PF_7    // D38
+  PF_0,   // D32
+  PF_1,   // D33
+  PF_6,   // D34
+  PF_7    // D35
 };
 
 // Analog (Ax) pin number array

variants/AIR001/AirM2M_Air001_Board/variant_generic.h

@@ -50,13 +50,10 @@
 #define PB13                    29
 #define PB14                    30
 #define PB15                    31
-#define PC13                    32
-#define PC14                    33
-#define PC15                    34
-#define PF0                     35
-#define PF1                     36
-#define PF6                     37
-#define PF7                     38
+#define PF0                     32
+#define PF1                     33
+#define PF6                     34
+#define PF7                     35
 
 // Alternate pins number
 #define PA6_ALT1                (PA6  | ALT1)