Docs/kernel-parameters: Add earlycon devicetree usage

This form of the earlycon parameter was added by commit fb11ffe74c
("of/fdt: add FDT serial scanning for earlycon") without documentation.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Scott Wood 2015-09-14 19:54:07 -05:00 • committed by Jonathan Corbet
commit 5664f7645d