dm: soc: Introduce soc_ti_k3 driver for TI K3 SoCs

Introduce an soc_ti_k3_driver that allows identification and selection
of SoC specific data based on the JTAG ID register for device
identification, as described for AM65x[0] and J721E[1] devices.

[0] http://www.ti.com/lit/ug/spruid7e/spruid7e.pdf
[1] http://www.ti.com/lit/ug/spruil1a/spruil1a.pdf

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
diff --git a/drivers/soc/Makefile b/drivers/soc/Makefile
index 649e92b..9ef20ca 100644
--- a/drivers/soc/Makefile
+++ b/drivers/soc/Makefile
@@ -4,4 +4,5 @@
 
 obj-$(CONFIG_SOC_TI) += ti/
 obj-$(CONFIG_SOC_DEVICE) += soc-uclass.o
+obj-$(CONFIG_SOC_DEVICE_TI_K3) += soc_ti_k3.o
 obj-$(CONFIG_SANDBOX) += soc_sandbox.o