[MIPS] Fix instable BogoMIPS on multi-issue processors.
[MIPS] Fix instable BogoMIPS on multi-issue processors.

Increase alignment of BogoMIPS loop to 8 bytes.  Having the delay loop
overlap cache line boundaries may cause instable delays.
    
Signed-off-by: Ralf Baechle <92f48d309cda194c8eda36aa8f9ae28c488fa208@linux-mips.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas