[ARM] 5296/1: [KS8695] Replace macro's with trailing underscores.

Replace Macro names that have trailing underscores.
Also use the IOPD() macro instead of a hard-coded bit-shift (for
better readability).

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