arm: Move lastinc to arch_global_data

Move this field into arch_global_data and tidy up.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/include/asm/global_data.h b/arch/arm/include/asm/global_data.h
index f447308..d7d4743 100644
--- a/arch/arm/include/asm/global_data.h
+++ b/arch/arm/include/asm/global_data.h
@@ -39,6 +39,7 @@
 	unsigned long timer_rate_hz;
 	unsigned long tbu;
 	unsigned long tbl;
+	unsigned long lastinc;
 };
 
 /*
@@ -66,7 +67,6 @@
 #ifdef CONFIG_ARM
 	/* "static data" needed by most of timer.c on ARM platforms */
 	unsigned long long	timer_reset_value;
-	unsigned long	lastinc;
 #endif
 #ifdef CONFIG_IXP425
 	unsigned long	timestamp;