K 10
svn:author
V 6
kevans
K 8
svn:date
V 27
2018-11-09T18:56:40.982019Z
K 7
svn:log
V 97
Use ${ECHO} in dtb/dtbo build, pass in from dtb.mk for -s

Reported by:	sbruno
MFC after:	3 days

END