kernel: enable PAE, Xen domU support.

Bump revision for kernel and kernel-headers.

--HG--
extra : convert_revision : 704ebc79f7778ddcff52078edffb2ba3300d3426

srcpkgs/kernel/kernel-headers.template

@@ -4,6 +4,7 @@ short_desc="${pkgname} src headers"
 long_desc="
  This package contains the required source headers to be able to build
  external 3rd party binary modules."
+revision=1
 
 do_install()
 {