MIPS: print MAAR configuration during boot

MIPS: print MAAR configuration during boot

Verifying that the MAAR configuration is as expected is useful when
debugging the performance of a system. Print out the memory regions
configured via MAAR along with their attributes.

Signed-off-by: Paul Burton <[email protected]>
Cc: [email protected]
Cc: Steven J. Hill <[email protected]>
Cc: David Hildenbrand <[email protected]>
Cc: [email protected]
Cc: Peter Zijlstra (Intel) <[email protected]>
Patchwork: https://patchwork.linux-mips.org/patch/11238/
Signed-off-by: Ralf Baechle <[email protected]>