serial: atmel-usart: include arch specific headers only for AT91

Microchip LAN969x will not include any arch specific clk.h nor hardware.h,
so in order to support it only include <asm/arch/clk.h> and
<asm/arch/hardware.h> when AT91 is selected.

Signed-off-by: Robert Marko <robert.marko@sartura.hr>

diff --git a/drivers/serial/atmel_usart.c b/drivers/serial/atmel_usart.c
index d6c3d4cbcc89cb80ec067265b936a2cd6139a0fe..fb1c76fea8d6a35e844f80791c770b3d74f87b8f 100644 (file)
--- a/drivers/serial/atmel_usart.c
+++ b/drivers/serial/atmel_usart.c
@@ -20,8 +20,10 @@
 #if CONFIG_IS_ENABLED(DM_SERIAL)
 #include <dm/platform_data/atmel_serial.h>
 #endif
+#if IS_ENABLED(CONFIG_ARCH_AT91)
 #include <asm/arch/clk.h>
 #include <asm/arch/hardware.h>
+#endif
 
 #include "atmel_usart.h"