ARM: at91: Rename sama5_sfr.h to at91_sfr.h

The Special Function Registers (SFR) are present in sam9x5 and
sam9x60 too, rename sama5_sfr to at91_sfr.h.

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
diff --git a/board/laird/wb50n/wb50n.c b/board/laird/wb50n/wb50n.c
index ab1dbcd..13563ab 100644
--- a/board/laird/wb50n/wb50n.c
+++ b/board/laird/wb50n/wb50n.c
@@ -4,7 +4,7 @@
 
 #include <common.h>
 #include <asm/io.h>
-#include <asm/arch/sama5_sfr.h>
+#include <asm/arch/at91_sfr.h>
 #include <asm/arch/sama5d3_smc.h>
 #include <asm/arch/at91_common.h>
 #include <asm/arch/at91_pmc.h>