Add programmer-specific delay functions

Add external programmer delay functions so external programmers can
handle the delay on their own if needed.

Corresponding to flashrom svn r578.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Urja Rannikko <urjaman@gmail.com>
diff --git a/flashrom.c b/flashrom.c
index 7b6f9d5..7368d4f 100644
--- a/flashrom.c
+++ b/flashrom.c
@@ -46,6 +46,7 @@
 		.chip_writeb		= internal_chip_writeb,
 		.chip_writew		= internal_chip_writew,
 		.chip_writel		= internal_chip_writel,
+		.delay			= internal_delay,
 	},
 
 	{
@@ -59,6 +60,7 @@
 		.chip_writeb		= dummy_chip_writeb,
 		.chip_writew		= dummy_chip_writew,
 		.chip_writel		= dummy_chip_writel,
+		.delay			= internal_delay,
 	},
 
 	{
@@ -72,6 +74,7 @@
 		.chip_writeb		= nic3com_chip_writeb,
 		.chip_writew		= fallback_chip_writew,
 		.chip_writel		= fallback_chip_writel,
+		.delay			= internal_delay,
 	},
 
 	{
@@ -85,6 +88,7 @@
 		.chip_writeb		= satasii_chip_writeb,
 		.chip_writew		= fallback_chip_writew,
 		.chip_writel		= fallback_chip_writel,
+		.delay			= internal_delay,
 	},
 
 	{
@@ -98,6 +102,7 @@
 		.chip_writeb		= dummy_chip_writeb,
 		.chip_writew		= dummy_chip_writew,
 		.chip_writel		= dummy_chip_writel,
+		.delay			= internal_delay,
 	},
 
 	{},
@@ -155,6 +160,11 @@
 	return programmer_table[programmer].chip_readl(addr);
 }
 
+void programmer_delay(int usecs)
+{
+	programmer_table[programmer].delay(usecs);
+}
+
 void map_flash_registers(struct flashchip *flash)
 {
 	size_t size = flash->total_size * 1024;