ARM: add io{read,write}{16,32}be functions

These functions are used in some PCI drivers with big-endian
MMIO space, and they are trivial to add here.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2011-09-03 17:54:44 +02:00
commit 06901bd834