Commitdc3765ede5("doc: Switch from setenv to env set") was too eager to switch "setenv" to "env set" and also incorrectly rewrote "gpt setenv" to "gpt env set". Undo this error. Fixes:dc3765ede5("doc: Switch from setenv to env set") Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org> Reviewed-by: Simon Glass <sjg@chromium.org>