compat-drivers: remove 'v' prefix from version on ChangeLog

As with the previous commit this follows the kernel.org
model as well as the older releases we were making.

Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>

scripts/gen-release.sh

@@ -179,7 +179,7 @@ if [[ $COMPAT_DRIVERS_BRANCH != $TARGET_KERNEL_RELEASE && $BASE_TREE != "linux-n
 fi
 
 cd $COMPAT_DRIVERS_DIR
-CHANGELOG_FILE="ChangeLog-$(git describe| sed -e 's|compat-drivers-||')"
+CHANGELOG_FILE="ChangeLog-$(git describe| sed -e 's|compat-drivers-v||')"
 
 
 if [[ $COMPAT_DRIVERS_BRANCH != "master" ]]; then