arm: kirkwood: Move internal registers in arch_very_early_init() function

Same change as was done for mvebu in commit 5bb2c550b11e ("arm: mvebu: Move
internal registers in arch_very_early_init() function") but for kirkwood.

Signed-off-by: Pali Rohár <pali@kernel.org>
Tested-by: Tony Dinh <mibodhi@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig
index b19ed2c..54027cc 100644
--- a/arch/arm/mach-kirkwood/Kconfig
+++ b/arch/arm/mach-kirkwood/Kconfig
@@ -5,9 +5,11 @@
 
 config KW88F6192
 	bool
+	select ARCH_VERY_EARLY_INIT
 
 config KW88F6281
 	bool
+	select ARCH_VERY_EARLY_INIT
 
 config SHEEVA_88SV131
 	bool