Increase delay in probe_jedec() after Product ID Entry to 10ms

We should follow data sheet timing, even if chips have been tested to answer
faster in the field.

Corresponding to flashrom svn r273 and coreboot v2 svn r3387.
Signed-off-by: Peter Stuge <peter@stuge.se>
Acked-by: Peter Stuge <peter@stuge.se>

jedec.c

@@ -100,10 +100,9 @@ int probe_jedec(struct flashchip *flash)
 	myusec_delay(10);
 	*(volatile uint8_t *)(bios + 0x5555) = 0x90;
 	/* Older chips may need up to 100 us to respond. The ATMEL 29C020
-	 * needs 10 ms according to the data sheet, but it has been tested
-	 * to work reliably with 2 ms.
+	 * needs 10 ms according to the data sheet.
 	 */
-	myusec_delay(2000);
+	myusec_delay(10000);
 
 	/* Read product ID */
 	id1 = *(volatile uint8_t *)bios;