MAINTAINERS: add myself under 'general project admin' section

Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>
Reviewed-by: NStefan Weil <sw@weilnetz.de>
Reviewed-by: NEdgar E. Iglesias <edgar.iglesias@xilinx.com>
Acked-by: NKevin Wolf <kwolf@redhat.com>
Acked-by: NMarkus Armbruster <armbru@redhat.com>
Message-id: 1413405052-4527-1-git-send-email-peter.maydell@linaro.org

MAINTAINERS

@@ -51,6 +51,7 @@ Descriptions of section entries:
 General Project Administration
 ------------------------------
 M: Anthony Liguori <aliguori@amazon.com>
+M: Peter Maydell <peter.maydell@linaro.org>
 
 Responsible Disclosure, Reporting Security Issues
 ------------------------------