Move most CONFIG_HAVE_BLOCK_DEVICE to Kconfig

config_fallbacks.h has some logic that sets HAVE_BLOCK_DEVICE
based on a list of enabled options.  Moving HAVE_BLOCK_DEVICE to
Kconfig allows us to drastically shrink the logic in
config_fallbacks.h

Signed-off-by: Adam Ford <aford173@gmail.com>
[trini: Rename HAVE_BLOCK_DEVICE to CONFIG_BLOCK_DEVICE]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index db1606e..3c826c9 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -1,5 +1,6 @@
 config SCSI
 	bool "Support SCSI controllers"
+	select HAVE_BLOCK_DEVICE
 	help
 	  This enables support for SCSI (Small Computer System Interface),
 	  a parallel interface widely used with storage peripherals such as