ns9xxx: move registration of serial8250 to a dedicated file

Now the needed structs are allocated dynamically from __init code reducing
memory usage if the kernel runs on a board different from a9m9750dev.

Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/arm/mach-ns9xxx/Kconfig b/arch/arm/mach-ns9xxx/Kconfig
index 8584ed107991..83c0efa7399c 100644
--- a/arch/arm/mach-ns9xxx/Kconfig
+++ b/arch/arm/mach-ns9xxx/Kconfig
@@ -2,6 +2,9 @@ if ARCH_NS9XXX
 
 menu "NS9xxx Implementations"
 
+config NS9XXX_HAVE_SERIAL8250
+        bool
+
 config MACH_CC9P9360DEV
         bool "ConnectCore 9P 9360 on an A9M9750 Devboard"
         select PROCESSOR_NS9360
@@ -23,6 +26,7 @@ config PROCESSOR_NS9360
 
 config BOARD_A9M9750DEV
         bool
+        select NS9XXX_HAVE_SERIAL8250
 
 config BOARD_JSCC9P9360
         bool