dt-bindings: opp: Add missing compat devices

A number of devices listed in drivers/cpufreq/qcom-cpufreq-nvmem.c appear
to be missing from the compatible list.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>