[oe] [Warror][ 03/23] oprofile: make MACHINE_ARCH

[Adrian Bunk]

This was already reverted in master, and the dependency on 
virtual/kernel removed instead.

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed