DISCO_L072CZ_LRWAN1: enable more analog pins

Pins A1/A3/A4/A5 are no connect by default, but could be used by
closing solder bridges.

Signed-off-by: Kristian Nielsen <knielsen@knielsen-hq.org>

Author: knielsen

variants/DISCO_L072CZ_LRWAN1/variant.cpp

@@ -54,11 +54,11 @@ const PinName digitalPin[] = {
   PA_12, //D24
   PA_11, //D25
   PA_0,  //D26/A0
-  NC,    //D27/A1
+  PA_0,  //D27/A1 - alias for A0 - requires closing solder bridge SB7
   PA_4,  //D28/A2
-  NC,    //D29/A3
-  NC,    //D30/A4
-  NC,    //D31/A5
+  PA_4,  //D29/A3 - alias for A2 - requires closing solder bridge SB8
+  PB_9,  //D30/A4 - requires closing solder bridge SB11
+  PB_8,  //D31/A5 - requires closing solder bridge SB12
   PA_5,  //D32/A6
 };
 

variants/DISCO_L072CZ_LRWAN1/variant.h

@@ -64,11 +64,11 @@ enum {
   PA12, //D24
   PA11, //D25
   PA0,  //D26/A0
-  NC_2, //D27/A1
+  PA0_2,//D27/A1 - alias for A0 - requires closing solder bridge SB7
   PA4,  //D28/A2
-  NC_3, //D29/A3
-  NC_4, //D30/A4
-  NC_5, //D31/A5
+  PA4_2,//D29/A3 - alias for A2 - requires closing solder bridge SB8
+  PB9_2,//D30/A4 - requires closing solder bridge SB11
+  PB8_2,//D31/A5 - requires closing solder bridge SB12
   PA5,  //D32/A6
   PEND
 };