ARM: deprecate support for old way to pass kernel parameters

This was deprecated in 2001 and announced to live on for 5 years.

For now provide a kernel parameter for those who still need it.

Acked-by: Eric Miao <eric.miao@canonical.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

diff --cc arch/arm/Kconfig
Simple merge

diff --cc arch/arm/kernel/Makefile
Simple merge

diff --cc arch/arm/kernel/compat.c
Simple merge

diff --cc arch/arm/kernel/compat.h
Simple merge

diff --cc arch/arm/kernel/setup.c
Simple merge