[armel] Disable RD_LZO on orion5x; re-enable RD_LZ4 on kirkwood

I'm assuming orion5x also has a small initrd partition, so using
anything weaker than gzip is unlikely to work.

We have space to spare on kirkwood now, so there's no need to disable
RD_LZ4 though I doubt it's particularly useful.

svn path=/dists/trunk/linux/; revision=22188

debian/changelog

@@ -46,7 +46,7 @@ linux (3.18-1~exp1) UNRELEASED; urgency=medium
   * [armel] Change configuration to reduce kernel image size (fixes FTBFS)
     - [/kirkwood] netlink: Disable NETLINK_MMAP
     - [/kirkwood] cgroups: Disable MEMCG
-    - [/kirkwood] Disable CHECKPOINT_RESTORE, RD_LZ4
+    - [/kirkwood] Disable CHECKPOINT_RESTORE
     - [/kirkwood] mm: Disable COMPACTION, KSM
     - [/kirkwood] crypto: Disable CRYPTO_FIPS
     - [/kirkwood] power: Disable HIBERNATION, PM_RUNTIME
@@ -54,7 +54,7 @@ linux (3.18-1~exp1) UNRELEASED; urgency=medium
     - [/orion5x] block: Disable BLK_DEV_INTEGRITY
     - [/orion5x] SCSI: Disable SCSI_UFSHCD
     - [/orion5x] target: Disable TCM_IBLOCK
-    - [/orion5x] Disable AUDIT, DEBUG_BUGVERBOSE, PROFILING, OPROFILE
+    - [/orion5x] Disable AUDIT, DEBUG_BUGVERBOSE, PROFILING, OPROFILE, RD_LZO
   * [armel] Include size of appended DTBs in image size check
 
  -- Ben Hutchings <ben@decadent.org.uk>  Tue, 09 Dec 2014 02:08:47 +0000

debian/config/armel/config-reduced

@@ -51,8 +51,3 @@ CONFIG_IPV6=m
 ##
 # CONFIG_NETLINK_MMAP is not set
 
-##
-## file: usr/Kconfig
-##
-# CONFIG_RD_LZ4 is not set
-

debian/config/armel/config.orion5x

@@ -612,3 +612,9 @@ CONFIG_ROSE=m
 ##
 # CONFIG_SECURITY is not set
 
+##
+## file: usr/Kconfig
+##
+# CONFIG_RD_LZO is not set
+# CONFIG_RD_LZ4 is not set
+