soc: qcom: rpmhpd: add sdm670 power domains

The Snapdragon 670 has similar power domains to SDM845 but no EBI power
domain. Add a new array for them to avoid requesting a power domain which
is unsupported by the hardware.

Signed-off-by: Richard Acayan <mailingradian@gmail.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221004221130.14076-3-mailingradian@gmail.com