Don't install uEnv.txt for beagle; boot.scr handles this now.

distrib/utils/embedded/conf/armv7.conf

@@ -1,4 +1,4 @@
-# $NetBSD: armv7.conf,v 1.17 2017/10/07 23:40:00 jmcneill Exp $
+# $NetBSD: armv7.conf,v 1.18 2017/10/08 00:15:13 jmcneill Exp $
 # ARMv7 customization script used by mkimage
 #
 board=armv7
@@ -38,15 +38,7 @@ populate_common() {
 }
 
 populate_beagle() {
-	bboard_kernelimg=netbsd-BEAGLEBOARD.ub
-	bboard_loadaddr=81000000
-	bbone_kernelimg=netbsd-BEAGLEBONE.ub
-	bbone_loadaddr=82000000
-
-	# Create a uEnv.txt to auto boot the correct kernel
-	cat >> "${mnt}/boot/uEnv.txt" << EOF
-loaduimage=if test \$board = am335x; then fatload mmc 0 ${bbone_loadaddr} ${bbone_kernelimg}; bootm ${bbone_loadaddr} root=ld0a; else fatload mmc 0 ${bboard_loadaddr} ${bboard_kernelimg}; bootm ${bboard_loadaddr} root=ld0a; fi
-EOF
+	:
 }
 
 populate_awin() {