common: Drop linux/delay.h from common header

Move this uncommon header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/cmd/eeprom.c b/cmd/eeprom.c
index f61a551..7fa62bb 100644
--- a/cmd/eeprom.c
+++ b/cmd/eeprom.c
@@ -25,6 +25,7 @@
 #include <eeprom.h>
 #include <i2c.h>
 #include <eeprom_layout.h>
+#include <linux/delay.h>
 
 #ifndef	CONFIG_SYS_I2C_SPEED
 #define	CONFIG_SYS_I2C_SPEED	50000