libmbim: switch to autorelease

Signed-off-by: Nicholas Smith <nicholas@nbembedded.com>

libs/libmbim/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libmbim
 PKG_VERSION:=1.26.0
-PKG_RELEASE:=1
+PKG_RELEASE:=$(AUTORELEASE)
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=https://www.freedesktop.org/software/libmbim