boards: arm: rpi_pico: add jlink runner conf

[MeisterBob]

Add jlink configuration to rpi_pico

closes #48194

[soburi]

And need to update document.

• Add Flashing section to describe flash with J-Link

• Following line may need to rewrite.
  https://github.com/zephyrproject-rtos/zephyr/blame/main/boards/arm/rpi_pico/doc/index.rst#L176-L191

[MeisterBob]

moved the include statement to the bottom of board.cmake and added a few lines to the documentation.

[soburi]

I'm sorry to trouble you, but could you please remove the outdated article about J-Link in the documentation and update it?

[soburi]

This is the 'Using an SWD adapter' section, and the JLink debug probe is not an SWD adapter.

End of this section, line
https://github.com/zephyrproject-rtos/zephyr/blame/52fe06495dc2d9bfa394353778c3f211441a65fb/boards/arm/rpi_pico/doc/index.rst#L134-L139
is mentioned about how to use JLink.
I think it should be replaced with a new section (I think it is good to be titled 'Using J-Link adapter')
and put this command line into it. (quote by .. code-block:: console)

[MeisterBob]

I would call the JLink a SWD (and JTAG, SPI, ...) adapter. I could split it up into Using jlink and Using openocd

[soburi]

I would call the JLink a SWD (and JTAG, SPI, ...) adapter.
Sorry, This is correct.

I could split it up into Using jlink and Using openocd
👍
It is more kindly for users. Thank you for suggestion.

[soburi]

Debugging section also mentions about J-Link using.
https://github.com/zephyrproject-rtos/zephyr/blame/52fe06495dc2d9bfa394353778c3f211441a65fb/boards/arm/rpi_pico/doc/index.rst#L172-L190

We can replace this lines with

west debug --runner jlink

[codecov-commenter]

Codecov Report

Merging #49563 (52fe064) into main (88aa873) will decrease coverage by 0.00%.
The diff coverage is n/a.

❗ Current head 52fe064 differs from pull request most recent head 9e58b0e. Consider uploading reports for the commit 9e58b0e to get more accurate results

@@            Coverage Diff             @@
##             main   #49563      +/-   ##
==========================================
- Coverage   49.95%   49.94%   -0.01%     
==========================================
  Files         669      669              
  Lines       83642    83710      +68     
  Branches    19738    19745       +7     
==========================================
+ Hits        41780    41806      +26     
- Misses      34897    34929      +32     
- Partials     6965     6975      +10     

Impacted Files	Coverage Δ
boards/posix/native_posix/main.c	78.26% <0.00%> (-21.74%)	⬇️
subsys/testsuite/ztest/src/ztest_new.c	71.92% <0.00%> (-3.92%)	⬇️
subsys/net/lib/config/init.c	44.27% <0.00%> (-1.53%)	⬇️
subsys/settings/src/settings_file.c	68.89% <0.00%> (-0.96%)	⬇️
include/zephyr/sys/time_units.h	97.51% <0.00%> (-0.50%)	⬇️
lib/os/bitarray.c	80.68% <0.00%> (-0.38%)	⬇️
subsys/net/lib/lwm2m/lwm2m_obj_firmware.c	17.08% <0.00%> (-0.36%)	⬇️
drivers/spi/spi_test.c	33.33% <0.00%> (ø)
include/zephyr/drivers/spi.h	68.75% <0.00%> (ø)
include/zephyr/sys/cbprintf.h	100.00% <0.00%> (ø)
... and 4 more

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[soburi]

LGTM