Taking #27130 to the next step: The following samples do not have a README:

• samples/boards/espressif/ethernet
• samples/boards/microchip/mec172xevb_assy6906/qmspi_ldma
• samples/boards/microchip/mec172xevb_assy6906/rom_api
• samples/boards/nordic/clock_control
• samples/boards/nordic/nrf_sys_event
• samples/drivers/ipm/ipm_mcux/remote
• samples/drivers/lcd_cyclonev_socdk
• samples/drivers/led/apa102c_bitbang
• samples/drivers/soc_flash_nand
• samples/drivers/spi_fujitsu_fram
• samples/sensor/bmg160
• samples/sensor/max44009
• samples/sensor/sx9500 (has a README.txt)
• samples/shields/npm1300_ek
• samples/shields/npm6001_ek
• samples/subsys/logging/multidomain
• samples/subsys/mgmt/osdp (needs conversion to zephyr:code-sample::
• samples/subsys/pm/device_pm
• samples/subsys/pm/latency
• samples/subsys/shell/devmem_load
• samples/tfm_integration/config_build