arm/km: redefine piggy 4 reg names to avoid conflicts

Some very similar #defines for reg addresses are used in a later patch
(managed_switch support for km_arm).

Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
cc: Holger Brunck <holger.brunck@keymile.com>
cc: Prafulla Wadaskar <prafulla@marvell.com>
1 file changed