Add Broadcom bluetooth options and serial bus in order to support
Bluetooth on the Nexus 5 phone.
Signed-off-by: Brian Masney <masneyb@onstation.org>
Link: https://lore.kernel.org/r/20200129232031.34538-2-masneyb@onstation.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>