slimbus: qcom-ngd-ctrl: allow compile testing without QCOM_RPROC_COMMON

slimbus: qcom-ngd-ctrl: allow compile testing without QCOM_RPROC_COMMON

[ Upstream commit e291691c69776ad278cd39dec2306dd39d681a9f ]

The Qualcomm common remote-proc code (CONFIG_QCOM_RPROC_COMMON) has
necessary stubs, so it is not needed for compile testing.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220916122910.170730-5-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stable-dep-of: 42992cf187e4 ("slimbus: qcom-ngd: Add error handling in of_qcom_slim_ngd_register")
Signed-off-by: Sasha Levin <sashal@kernel.org>