at91/sama7: Do not build in Bluetooth

Bluetooth should be activated as an optional kmod package instead of
compiling it into the kernel.

Tested-by: Claudiu Beznea <[email protected]>
Reviewed-by: Claudiu Beznea <[email protected]>
Signed-off-by: Hauke Mehrtens <[email protected]>

target/linux/at91/sama7/config-default

@@ -44,11 +44,6 @@ CONFIG_BLK_DEV_RAM_COUNT=1
 CONFIG_BLK_DEV_RAM_SIZE=8192
 CONFIG_BLK_DEV_SD=y
 CONFIG_BLK_SCSI_REQUEST=y
-CONFIG_BT=y
-CONFIG_BT_DEBUGFS=y
-CONFIG_BT_HCIUART=y
-# CONFIG_BT_HCIUART_INTEL is not set
-CONFIG_BT_HCIVHCI=y
 # CONFIG_CACHE_L2X0 is not set
 CONFIG_CAN=y
 CONFIG_CLKDEV_LOOKUP=y
@@ -217,7 +212,6 @@ CONFIG_IRQ_DOMAIN=y
 CONFIG_IRQ_DOMAIN_HIERARCHY=y
 CONFIG_IRQ_FORCED_THREADING=y
 CONFIG_IRQ_WORK=y
-CONFIG_ISDN_CAPI=y
 CONFIG_JBD2=y
 CONFIG_LEDS_GPIO=y
 CONFIG_LIBFDT=y