soc: qcom: ocmem: Add support for msm8226

The msm8226 SoC also contains OCMEM but with one region only.

Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Link: https://lore.kernel.org/r/20230506-msm8226-ocmem-v3-5-79da95a2581f@z3ntu.xyz


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