In commit 639da5ee ("ARM: add an extra temp register to the low
level debugging addruart macro") an additional temporary register was
added to the addruart macro, but the decompressor code wasn't updated.

Fixes: 639da5ee ("ARM: add an extra temp register to the low level debugging addruart macro")
Signed-off-by: NŁukasz Stelmach <l.stelmach@samsung.com>
Signed-off-by: NRussell King <rmk+kernel@armlinux.org.uk>