Timer: Fix misuse of ARM *timer_masked() functions outside arch/arm

Signed-off-by: Graeme Russ <graeme.russ@gmail.com>
diff --git a/board/impa7/flash.c b/board/impa7/flash.c
index d0c5880..6eae428 100644
--- a/board/impa7/flash.c
+++ b/board/impa7/flash.c
@@ -128,6 +128,7 @@
 {
 	int flag, prot, sect;
 	int rc = ERR_OK;
+	ulong start;
 
 	if (info->flash_id == FLASH_UNKNOWN)
 		return ERR_UNKNOWN_FLASH_TYPE;
@@ -165,7 +166,7 @@
 		printf ("Erasing sector %2d ... ", sect);
 
 		/* arm simple, non interrupt dependent timer */
-		reset_timer_masked ();
+		start = get_timer(0);
 
 		if (info->protect[sect] == 0) {	/* not protected */
 			vu_long *addr = (vu_long *) (info->start[sect]);
@@ -174,7 +175,7 @@
 			*addr = 0x00D000D0;	/* erase confirm */
 
 			while ((*addr & 0x00800080) != 0x00800080) {
-				if (get_timer_masked () >
+				if (get_timer(start) >
 				    CONFIG_SYS_FLASH_ERASE_TOUT) {
 					*addr = 0x00B000B0;	/* suspend erase */
 					*addr = 0x00FF00FF;	/* reset to read mode */
@@ -211,6 +212,7 @@
 	ulong barf;
 	int rc = ERR_OK;
 	int flag;
+	ulong start;
 
 	/* Check if Flash is (sufficiently) erased
 	 */
@@ -236,14 +238,14 @@
 	*addr = data;
 
 	/* arm simple, non interrupt dependent timer */
-	reset_timer_masked ();
+	start = get_timer(0);
 
 	/* read status register command */
 	*addr = 0x00700070;
 
 	/* wait while polling the status register */
 	while ((*addr & 0x00800080) != 0x00800080) {
-		if (get_timer_masked () > CONFIG_SYS_FLASH_WRITE_TOUT) {
+		if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
 			rc = ERR_TIMOUT;
 			/* suspend program command */
 			*addr = 0x00B000B0;