Patch merged into coreboot/master: arch/riscv: Remove spinlock code from atomic.h

the following patch was just integrated into master:
commit 0cc02efb23911bb77ce134224da15f82a26ca199
Author: Jonathan Neuschäfer 
Date:   Mon Jul 25 02:20:43 2016 +0200

arch/riscv: Remove spinlock code from atomic.h

These functions are not used anywhere.

Change-Id: Ica1f4650e8774dd796be0aff00054f3698087816
    Signed-off-by: Jonathan Neuschäfer 
    Reviewed-on: https://review.coreboot.org/15829
    Tested-by: build bot (Jenkins)
    Reviewed-by: Paul Menzel 
    Reviewed-by: Ronald G. Minnich

See https://review.coreboot.org/15829 for details.

-gerrit