frequency >= target. Fix inverted rounding logic for CLK_SET_ROUND_UP/DOWN. Reviewed by: kan Differential Revision: https://reviews.freebsd.org/D8784
X1000 systems on chips. Imgtec CI20 and Ingenic CANNA boards supported. Submitted by: Alexander Kabaev <kan@FreeBSD.org> Reviewed by: Ruslan Bukin <br@FreeBSD.org> Sponsored by: DARPA, AFRL