soc: qcom: Remove bogus depends on OF from QCOM_SMD_RPM

QCOM_SMD_RPM builds perfectly fine without CONFIG_OF set.
Remove the bogus depends on OF.

Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>

drivers/soc/qcom/Kconfig

@@ -114,7 +114,7 @@ config QCOM_SMEM
 config QCOM_SMD_RPM
 	tristate "Qualcomm Resource Power Manager (RPM) over SMD"
 	depends on ARCH_QCOM
-	depends on RPMSG && OF
+	depends on RPMSG
 	help
 	  If you say yes to this option, support will be included for the
 	  Resource Power Manager system found in the Qualcomm 8974 based