mk_mmc bootscript cleanup ulcd

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>

mk_mmc.sh

@@ -573,22 +573,18 @@ function boot_uenv_txt_template {
 		mmc_load_uinitrd=fatload mmc 0:1 \${address_uinitrd} \${bootinitrd}
 	__EOF__
 
-if test "-$ADDON-" = "-ulcd-"
-then
-
-cat >> ${TEMPDIR}/bootscripts/netinstall.cmd <<ulcd_uenv_netinstall_cmd
-
+	if [ "x${ADDON}" == "xulcd" ] ; then
+		cat >> ${TEMPDIR}/bootscripts/netinstall.cmd <<-__EOF__
 			lcd1=i2c mw 40 00 00; i2c mw 40 04 80; i2c mw 40 0d 05
 			uenvcmd=i2c dev 1; run lcd1; i2c dev 0
 
-ulcd_uenv_netinstall_cmd
-
-cat >> ${TEMPDIR}/bootscripts/normal.cmd <<ulcd_uenv_normalboot_cmd
+		__EOF__
 
+		cat >> ${TEMPDIR}/bootscripts/normal.cmd <<-__EOF__
 			lcd1=i2c mw 40 00 00; i2c mw 40 04 80; i2c mw 40 0d 05
 			uenvcmd=i2c dev 1; run lcd1; i2c dev 0
 
-ulcd_uenv_normalboot_cmd
+		__EOF__
 	fi
 
 case "$SYSTEM" in