add help for Recommends

(cherry picked from commit 8edbe5d191ca3ce2c6650435d9bc9f1d4d334aaf)

libevdev.spec

@@ -1,11 +1,12 @@
 Name:           libevdev
 Version:        1.8.0
-Release:        1
+Release:        2
 Summary:        Library for handling evdev kernel devices
 License:        GPLv2
 URL:            http://www.freedesktop.org/wiki/Software/libevdev
 Source0:        http://www.freedesktop.org/software/%{name}/%{name}-%{version}.tar.xz
 
+Recommends:	%{name}-help = %{version}-%{release}
 BuildRequires:  git-core automake libtool gcc python3 python3-devel
 
 %description
@@ -66,6 +67,9 @@ make %{?_smp_mflags}
 %{_mandir}/man3/libevdev.3*
 
 %changelog
+* Wed Nov 11 2020 xinghe <xinghe1@huawei.com> - 1.8.0-2
+- add help for Recommends
+
 * Sat Aug 15 2020 xinghe <xinghe1@huawei.com> - 1.8.0-1
 - update version to 1.8.0