Add support for debugger to all Arduino samd/bossac boards

Author: rsora

boards.txt

@@ -89,6 +89,7 @@ mkr1000.pid.2=0x824e
 mkr1000.vid.3=0x2341
 mkr1000.pid.3=0x024e
 
+mkr1000.debug.tool=gdb
 mkr1000.upload.tool=bossac
 mkr1000.upload.protocol=sam-ba
 mkr1000.upload.maximum_size=262144
@@ -118,6 +119,7 @@ mkrzero.pid.0=0x804f
 mkrzero.vid.1=0x2341
 mkrzero.pid.1=0x004f
 
+mkrzero.debug.tool=gdb
 mkrzero.upload.tool=bossac
 mkrzero.upload.protocol=sam-ba
 mkrzero.upload.maximum_size=262144
@@ -147,6 +149,7 @@ mkrwifi1010.pid.0=0x8054
 mkrwifi1010.vid.1=0x2341
 mkrwifi1010.pid.1=0x0054
 
+mkrwifi1010.debug.tool=gdb
 mkrwifi1010.upload.tool=bossac
 mkrwifi1010.upload.protocol=sam-ba
 mkrwifi1010.upload.maximum_size=262144
@@ -176,6 +179,7 @@ nano_33_iot.pid.0=0x8057
 nano_33_iot.vid.1=0x2341
 nano_33_iot.pid.1=0x0057
 
+nano_33_iot.debug.tool=gdb
 nano_33_iot.upload.tool=bossac
 nano_33_iot.upload.protocol=sam-ba
 nano_33_iot.upload.maximum_size=262144
@@ -205,6 +209,7 @@ mkrfox1200.pid.0=0x8050
 mkrfox1200.vid.1=0x2341
 mkrfox1200.pid.1=0x0050
 
+mkrfox1200.debug.tool=gdb
 mkrfox1200.upload.tool=bossac
 mkrfox1200.upload.protocol=sam-ba
 mkrfox1200.upload.maximum_size=262144
@@ -234,6 +239,7 @@ mkrwan1300.pid.0=0x8053
 mkrwan1300.vid.1=0x2341
 mkrwan1300.pid.1=0x0053
 
+mkrwan1300.debug.tool=gdb
 mkrwan1300.upload.tool=bossac
 mkrwan1300.upload.protocol=sam-ba
 mkrwan1300.upload.maximum_size=262144
@@ -263,6 +269,7 @@ mkrwan1310.pid.0=0x8059
 mkrwan1310.vid.1=0x2341
 mkrwan1310.pid.1=0x0059
 
+mkrwan1310.debug.tool=gdb
 mkrwan1310.upload.tool=bossac
 mkrwan1310.upload.protocol=sam-ba
 mkrwan1310.upload.maximum_size=262144
@@ -292,6 +299,7 @@ mkrgsm1400.pid.0=0x8052
 mkrgsm1400.vid.1=0x2341
 mkrgsm1400.pid.1=0x0052
 
+mkrgsm1400.debug.tool=gdb
 mkrgsm1400.upload.tool=bossac
 mkrgsm1400.upload.protocol=sam-ba
 mkrgsm1400.upload.maximum_size=262144
@@ -321,6 +329,7 @@ mkrnb1500.pid.0=0x8055
 mkrnb1500.vid.1=0x2341
 mkrnb1500.pid.1=0x0055
 
+mkrnb1500.debug.tool=gdb
 mkrnb1500.upload.tool=bossac
 mkrnb1500.upload.protocol=sam-ba
 mkrnb1500.upload.maximum_size=262144
@@ -350,6 +359,7 @@ mkrvidor4000.pid.0=0x8056
 mkrvidor4000.vid.1=0x2341
 mkrvidor4000.pid.1=0x0056
 
+mkrvidor4000.debug.tool=gdb
 mkrvidor4000.upload.tool=bossacI
 mkrvidor4000.upload.protocol=sam-ba
 mkrvidor4000.upload.maximum_size=262144