MIPS: Move CPU topology macros to topology.h

MIPS: Move CPU topology macros to topology.h

The correct position is topology.h, and this fix macros redefinition
problems for Netlogic.

[[email protected]: Fix build - the original patch broke most
configurations.]

Signed-off-by: Huacai Chen <[email protected]>
Cc: Jayachandran C. <[email protected]>
Cc: John Crispin <[email protected]>
Cc: Steven J. Hill <[email protected]>
Cc: Aurelien Jarno <[email protected]>
Cc: [email protected]
Cc: Fuxin Zhang <[email protected]>
Cc: Zhangjin Wu <[email protected]>
Patchwork: https://patchwork.linux-mips.org/patch/7575/
Signed-off-by: Ralf Baechle <[email protected]>