ARM: SMP: get rid of references to poke_milo and Milo

Milo is an old boot loader, which is no longer relevant for these
platforms.  References to it are misleading.  Move the code out
of poke_milo(), and remove references to milo in comments.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --cc arch/arm/mach-realview/platsmp.c
Simple merge

diff --cc arch/arm/mach-tegra/platsmp.c
Simple merge