ramips: sysupgrade for ESR-9753

This patch add sysupgrade for Engenius ESR-9753

Signed-off-by: Artur Wronowski <arteqw@gmail.com>

SVN-Revision: 29824

target/linux/ramips/base-files/lib/upgrade/platform.sh

@@ -18,6 +18,7 @@ platform_check_image() {
 	dir-300-b1 | \
 	dir-600-b1 | \
 	dir-600-b2 | \
+	esr-9753 | \
 	fonera20n | \
 	hw550-3g | \
 	mofi3500-3gn | \