MIPS: sead3: Corrected get_c0_perfcount_int

Commit e9de688d

 ("irqchip: mips-gic: Support local interrupts")
updated several platforms. This is a copy paste error.

Signed-off-by: Niklas Cassel <niklass@axis.com>
Reviewed-by: Andrew Bresticker <abrestic@chromium.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/9245/


Signed-off-by: Ralf Baechle <ralf@linux-mips.org>