ide: add CONFIG_IDE_H8300 config option

Add a separate config option for ide-8300 host driver instead of depending
on CONFIG_H8300.

This change is a preparation for the future changes and also allows ide-h8300
to be disabled if needed.

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile
index 75dc696..b181fc6 100644
--- a/drivers/ide/Makefile
+++ b/drivers/ide/Makefile
@@ -39,7 +39,7 @@
 ide-core-$(CONFIG_BLK_DEV_IDE_PMAC)	+= ppc/pmac.o
 
 # built-in only drivers from h8300/
-ide-core-$(CONFIG_H8300)		+= h8300/ide-h8300.o
+ide-core-$(CONFIG_IDE_H8300)		+= h8300/ide-h8300.o
 
 obj-$(CONFIG_BLK_DEV_IDE)		+= ide-core.o
 obj-$(CONFIG_IDE_GENERIC)		+= ide-generic.o