K 10
svn:author
V 2
kp
K 8
svn:date
V 27
2020-01-13T16:52:26.607252Z
K 7
svn:log
V 180
gprof: Enable riscv

Add a missing riscv.h header file, and fix the check for riscv (must test
MACHINE_CPUARCH, not MACHINE_ARCH, if we want to use 'riscv').

Sponsored by:	Axiado

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