newisys/khepri broadcom/blast: Drop duplicate entry in Kconfig

Keep the value that is listed first, it also the one with a more
recent change.

Change-Id: I0336c962544d75f94512563c08f280aa43c7a175
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/8336
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

src/mainboard/broadcom/blast/Kconfig

@@ -55,10 +55,6 @@ config HT_CHAIN_UNITID_BASE
 	hex
 	default 0x6
 
-config SB_HT_CHAIN_ON_BUS0
-	int
-	default 2
-
 config IRQ_SLOT_COUNT
 	int
 	default 11

src/mainboard/newisys/khepri/Kconfig

@@ -54,10 +54,6 @@ config HT_CHAIN_UNITID_BASE
 	hex
 	default 0x1
 
-config SB_HT_CHAIN_ON_BUS0
-	int
-	default 2
-
 config IRQ_SLOT_COUNT
 	int
 	default 9