Enable kernel XZ compression option on 44x.
Tested on a Western Digital - MyBook Live NAS.
It takes 22 seconds for the 800 MHz CPU to decompress
and boot a 2.63 MiB XZ-compressed kernel simpleImage.

Signed-off-by: Christian Lamparter <chunk...@gmail.com>
---
 arch/powerpc/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 2890d36eb531..58b6ad3555e0 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -201,7 +201,7 @@ config PPC
        select HAVE_IOREMAP_PROT
        select HAVE_IRQ_EXIT_ON_IRQ_STACK
        select HAVE_KERNEL_GZIP
-       select HAVE_KERNEL_XZ                   if PPC_BOOK3S
+       select HAVE_KERNEL_XZ                   if PPC_BOOK3S || 44x
        select HAVE_KPROBES
        select HAVE_KPROBES_ON_FTRACE
        select HAVE_KRETPROBES
-- 
2.20.1

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