Use the correct openocd flash driver for ATSAMD51 devices

see openocd docs ( https://github.com/openocd-org/openocd/blob/v0.11.0/doc/openocd.texi#L5827C1-L5827C54 )

Author: rcross-lc

platform.txt

@@ -195,7 +195,7 @@ tools.openocd.erase.pattern=
 
 tools.openocd.bootloader.params.verbose=-d2
 tools.openocd.bootloader.params.quiet=-d0
-tools.openocd.bootloader.pattern="{path}/{cmd}" {bootloader.verbose} -s "{path}/share/openocd/scripts/" -f "{runtime.platform.path}/{build.openocdscript}" -c "telnet_port disabled; init; halt; at91samd bootloader 0; program {{runtime.platform.path}/bootloaders/{bootloader.file}} verify reset; shutdown"
+tools.openocd.bootloader.pattern="{path}/{cmd}" {bootloader.verbose} -s "{path}/share/openocd/scripts/" -f "{runtime.platform.path}/{build.openocdscript}" -c "telnet_port disabled; init; halt; $_FLASHDRIVER bootloader 0; program {{runtime.platform.path}/bootloaders/{bootloader.file}} verify reset; shutdown"
 
 #
 # OpenOCD sketch upload - version with configurable bootloader size
@@ -221,7 +221,7 @@ tools.openocd-withbootsize.erase.pattern=
 
 tools.openocd-withbootsize.bootloader.params.verbose=-d2
 tools.openocd-withbootsize.bootloader.params.quiet=-d0
-tools.openocd-withbootsize.bootloader.pattern="{path}/{cmd}" {bootloader.verbose} -s "{path}/share/openocd/scripts/" -f "{runtime.platform.path}/{build.openocdscript}" -c "telnet_port disabled; init; halt; at91samd bootloader 0; program {{runtime.platform.path}/bootloaders/{bootloader.file}} verify reset; shutdown"
+tools.openocd-withbootsize.bootloader.pattern="{path}/{cmd}" {bootloader.verbose} -s "{path}/share/openocd/scripts/" -f "{runtime.platform.path}/{build.openocdscript}" -c "telnet_port disabled; init; halt; $_FLASHDRIVER bootloader 0; program {{runtime.platform.path}/bootloaders/{bootloader.file}} verify reset; shutdown"
 
 # ----------------------------------------
 # Debugger configuration (general options)

scripts/openocd/daplink_samd21.cfg

@@ -24,4 +24,6 @@ transport select swd
 # chip name
 set CHIPNAME samd21
 
+set _FLASHDRIVER at91samd
+
 source [find target/at91samdXX.cfg]

scripts/openocd/daplink_samd51.cfg

@@ -24,4 +24,6 @@ transport select swd
 # chip name
 set CHIPNAME samd51
 
+set _FLASHDRIVER atsame5
+
 source [find target/atsame5x.cfg]

scripts/openocd/jlink_samd21.cfg

@@ -24,4 +24,6 @@ transport select swd
 # chip name
 set CHIPNAME samd21
 
+set _FLASHDRIVER at91samd
+
 source [find target/at91samdXX.cfg]

scripts/openocd/jlink_samd51.cfg

@@ -24,4 +24,6 @@ transport select swd
 # chip name
 set CHIPNAME samd51
 
+set _FLASHDRIVER atsame5
+
 source [find target/atsame5x.cfg]