[openwrt/openwrt] ravpower-mcu: add missing PKG_RELEASE

[LEDE Commits]

blocktrron pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/4c8eb4ad9eea29707b377c987b6f3be927d8e741

commit 4c8eb4ad9eea29707b377c987b6f3be927d8e741
Author: David Bauer <mail at david-bauer.net>
AuthorDate: Mon Jul 6 16:02:15 2020 +0200

    ravpower-mcu: add missing PKG_RELEASE
    
    This fixes the imagebuilder for this device.
    
    Signed-off-by: David Bauer <mail at david-bauer.net>
---
 package/utils/ravpower-mcu/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/package/utils/ravpower-mcu/Makefile b/package/utils/ravpower-mcu/Makefile
index 435445fcc5..b5bdfa56df 100644
--- a/package/utils/ravpower-mcu/Makefile
+++ b/package/utils/ravpower-mcu/Makefile
@@ -1,6 +1,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=ravpower-mcu
+PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=https://github.com/blocktrron/ravpower-mcu.git