ARM: move outer_cache declaration out of ifdef
ARM: move outer_cache declaration out of ifdef

Move the outer_cache declaration of the CONFIG_OUTER_CACHE ifdef so that
outer_cache can be used inside IS_ENABLED condition.

Signed-off-by: Rob Herring <aa00819e304141d872f2e4b1c4be422ea3abbfe1@calxeda.com>
Cc: Russell King <ba324ca7b1c77fc20bb970d5aff6eea9377918a5@arm.linux.org.uk>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs