ARM: riscpc: remove expansion card irq mask register

This register is only present on older platforms, and not on RiscPC,
so lets remove this unused support.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2012-03-01 18:46:46 +00:00
commit 530c2eaa6a