doc: Update /proc/cmdline documentation to include boot config

Update the /proc/cmdline documentation to explicitly state that this
file provides kernel boot parameters obtained via boot config from the
kernel image as well as those supplied by the boot loader.

Link: https://lore.kernel.org/all/[email protected]/

Signed-off-by: Paul E. McKenney <[email protected]>
Acked-by: Masami Hiramatsu (Google) <[email protected]>
Reviewed-by: Randy Dunlap <[email protected]>
Cc: Jonathan Corbet <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Stephen Rothwell <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Signed-off-by: Masami Hiramatsu (Google) <[email protected]>

0 files changed, 0 insertions, 0 deletions