dt-bindings: remoteproc: qcom: pas: Add MSM8226 adsp

Add the compatible for the adsp found in MSM8226.

Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220423155059.660387-1-luca@z3ntu.xyz