arm: mvebu: axp: Properly check for Armada XP in mach/soc.h

File mach/soc.h is included also in 64-bit mvebu processors, so define
Armada XP related macros only when compiling for Armada XP.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/arch/arm/mach-mvebu/include/mach/soc.h b/arch/arm/mach-mvebu/include/mach/soc.h
index 8e8a405..aab61f7 100644
--- a/arch/arm/mach-mvebu/include/mach/soc.h
+++ b/arch/arm/mach-mvebu/include/mach/soc.h
@@ -189,7 +189,7 @@
 #define BOOT_FROM_SPI		0x3
 
 #define CONFIG_SYS_TCLK		200000000	/* 200MHz */
-#else
+#elif defined(CONFIG_ARMADA_XP)
 /* SAR values for Armada XP */
 #define CONFIG_SAR_REG		(MVEBU_REGISTER(0x18230))
 #define CONFIG_SAR2_REG		(MVEBU_REGISTER(0x18234))