arm64/sysreg: clean up some inconsistent indenting

No functional modification involved.

./arch/arm64/kvm/sys_regs.c:80:2-9: code aligned with following code on line 82.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3897


Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Link: https://lore.kernel.org/r/20230131082703.118101-1-jiapeng.chong@linux.alibaba.com


Signed-off-by: Oliver Upton <oliver.upton@linux.dev>