clk/qcom: move ipq4019 driver from mach-ipq40xx

This driver is just a stub, but it's necessary to support the upcoming
reset driver changes.

Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index d812685..8833ee3 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -766,6 +766,7 @@
 	select CLK
 	select SMEM
 	select OF_CONTROL
+	select CLK_QCOM_IPQ4019
 	imply CMD_DM
 
 config ARCH_KEYSTONE