mb/google/poppy/variants/nami: Use GPP_E4 for BT_OFF#

The BT W_DISABLE2# pin is connected to GPP_E4 in the latest schematic.
Update GPP_E4 as GPO and set 1 as default.

BUG=b:79993692, b:72007632
BRANCH=None
TEST=Enable/disable BT/WLAN by following command.
Enable:
localhost ~ # iotools mmio_write32 0xfdae0590 0x40000201
localhost ~ # iotools mmio_write32 0xfdae05a0 0x40000201
Disable:
localhost ~ # iotools mmio_write32 0xfdae0590 0x40000200
localhost ~ # iotools mmio_write32 0xfdae05a0 0x40000200

Change-Id: I9ef1a5314652ab29172d246abd58ee4e1a8a6299
Signed-off-by: Frank Wu <frank_wu@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/26502
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
1 file changed