Partially revert my recent kernelPackages changes

First, pass in `self' again so that overriding works properly (thanks
for pointing that out, @edolstra)

Second, instead of having linuxPackages*.kernel mean something different
inside the set and out, add a new attribute linuxPackages*.kernelDev,
which for the generic kernel is simply linuxPackages*.kernel but for the
manual-config kernel is the `dev' output (which has the build tree,
source tree, etc.)

The second change required trivial modifications in a bunch of
expressions, I verified that all of the linuxPackages* sets defined in
all-packages.nix have the same drv paths before and after the change.

Signed-off-by: Shea Levy <shea@shealevy.com>

pkgs/servers/openafs-client/default.nix

@@ -1,10 +1,10 @@
 { stdenv, fetchurl, which, autoconf, automake, flex, yacc,
-  kernel, glibc, ncurses, perl, krb5 }:
+  kernelDev, glibc, ncurses, perl, krb5 }:
 
 assert stdenv.isLinux;
 
 stdenv.mkDerivation {
-  name = "openafs-1.6.1-${kernel.version}";
+  name = "openafs-1.6.1-${kernelDev.version}";
 
   src = fetchurl {
     url = http://www.openafs.org/dl/openafs/1.6.1/openafs-1.6.1-src.tar.bz2;
@@ -14,7 +14,7 @@ stdenv.mkDerivation {
   buildInputs = [ autoconf automake flex yacc ncurses perl which ];
 
   preConfigure = ''
-    ln -s ${kernel}/lib/modules/*/build $TMP/linux
+    ln -s ${kernelDev}/lib/modules/*/build $TMP/linux
 
     patchShebangs .
     for i in `grep -l -R '/usr/\(include\|src\)' .`; do