README: updated Maintainers list for Hardknott

Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-perl/README

@@ -52,7 +52,7 @@ Dependencies
 This layer depends on:
 
   URI: git://git.openembedded.org/openembedded-core
-  branch: master
+  branch: hardknott
   revision: HEAD
   prio: default
 
@@ -75,14 +75,12 @@ Maintenance
 -----------
 
 Send patches / pull requests to openembedded-devel@lists.openembedded.org with
-'[meta-perl]' in the subject.
+'[meta-perl][hardknott]' in the subject.
 
 When sending single patches, please using something like:
-'git send-email -M -1 --to openembedded-devel@lists.openembedded.org --subject-prefix=meta-perl][PATCH'
+'git send-email -M -1 --to openembedded-devel@lists.openembedded.org --subject-prefix=meta-perl][hardknott][PATCH'
 
-Layer maintainers:
-    Hongxu Jia <hongxu.jia@windriver.com>
-    Tim "moto-timo" Orling <ticotimo@gmail.com>
+hardknott maintainers: Armin kuster <akuster808@gmail.com>
 
 License
 -------