ARM: dts: qcom: apq8064: add unit addresses to QFPROM regions

QFPROM children have 'reg' so they must have unit address.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220505113802.243301-4-krzysztof.kozlowski@linaro.org