drivers: hwinfo: shell: rename args to satisfy rule 5.7
drivers: hwinfo: shell: rename args to satisfy rule 5.7

This commit changes the shell argument name from shell to sh
to satisfy the warning
"Violation to rule 5.7 (Tag name should be unique) tag: shell"

Signed-off-by: Alexander Wachter <e46fc836cca3acec03944314d1457c2ae6c68ef3@wachter.cloud>

zephyrproject-rtos/zephyr,finikorg/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,finikorg/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,galak/zephyr