arm64: dts: qcom: sdm845-oneplus: add ipa firmware names

Add the correct patch to the ipa firmware now that custom paths are
supported.

Signed-off-by: Caleb Connolly <caleb@connolly.tech>
Link: https://lore.kernel.org/r/20210720153125.43389-6-caleb@connolly.tech


Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>