riscv: add spin lock support

Hardware / Coreboot - Xiang Wang [126.com] - 4 September 2018 12:35 EDT

Add spin lock support for riscv.

Change-Id: I7e93fb8b35c4452f0fe3f7f4bcc6f7aa4e042451

3b5351d044 riscv: add spin lock support
src/arch/riscv/include/arch/smp/spinlock.h | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)

Upstream: review.coreboot.org


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