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/sharplhf00l04.c b/sharplhf00l04.c
index 1aeb2f3..4d652ae 100644
--- a/sharplhf00l04.c
+++ b/sharplhf00l04.c
@@ -46,9 +46,9 @@
 #endif
 
 	chip_writeb(0xff, bios);
-	myusec_delay(10);
+	programmer_delay(10);
 	chip_writeb(0x90, bios);
-	myusec_delay(10);
+	programmer_delay(10);
 
 	id1 = chip_readb(bios);
 	id2 = chip_readb(bios + 0x01);
@@ -58,7 +58,7 @@
 	chip_writeb(0x55, bios + 0x2AAA);
 	chip_writeb(0xF0, bios + 0x5555);
 
-	myusec_delay(10);
+	programmer_delay(10);
 
 	printf_debug("%s: id1 0x%02x, id2 0x%02x\n", __FUNCTION__, id1, id2);
 
@@ -85,7 +85,7 @@
 	// put another command to get out of status register mode
 
 	chip_writeb(0x90, bios);
-	myusec_delay(10);
+	programmer_delay(10);
 
 	id1 = chip_readb(bios);
 	id2 = chip_readb(bios + 0x01);
@@ -118,7 +118,7 @@
 	// now start it
 	chip_writeb(0x20, bios);
 	chip_writeb(0xd0, bios);
-	myusec_delay(10);
+	programmer_delay(10);
 	// now let's see what the register is
 	status = wait_lhf00l04(flash->virtual_memory);
 	print_lhf00l04_status(status);